(!) Since support from Microsoft will end on January 14th, 2020, Windows 7 will be excluded from the recommended environment from December 15th, 2019 on this site. Vì lý do Microsoft kết thúc hỗ trợ cho Windows 7 vào ngày 14/01/2020, Windows 7 sẽ là hệ điều hành không được khuyến khích sử dụng với trang web này từ ngày 15/12/2019.

Tel: 0222-361-1555 Email: cs@misumi.com.vn 8:00 - 17:00 (Mon - Sat)

ものづくりの、明日を支える。MISUMI-VONA 生産材コマース ものづくりの、明日を支える。MISUMI-VONA 生産材コマース

Webcode Seach | Series: #CODE

Keyword suggestionsTừ khóa gợi ý

Part number suggestionsGợi ý mã sản phẩm

Discontinued Products

Search by Category / Brand Tìm theo danh mục, nhãn hiệu

Search by Category Tìm theo danh mục

MISUMI Việt Nam đồng hành cùng Kỹ sư tương lai trong cuộc thi SMAE Award 2024. Xem chi tiết.
MISUMI Vietnam accompanies Future Engineers in the SMAE Award 2024 competition. See more.

How can we improve?

How can we improve?

Comments

Name (Optional)

E-mail Address (Optional)

Tel (Optional)

While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Customer Privacy Policy

Thank you for your cooperation.

While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Please use the inquiry form.

Customer Privacy Policy

ConfigureTạo

Part number has not been determine

(60 Part Numbers Available)

Configure Remaining SpecificationsĐịnh cấu hình các thông số còn lại

Part Number CompleteĐã hoàn thành

SRBN8-A

Load Type Material Outer Dia. D Inner Dia. d Free State Height H Load Plate Thickness t Total Deflection h Surface Treatment type CAD Days to Ship

Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước

Load Type
- B
- A
ClearTrống
Material
- S65~70C (Black Oxide)
  - S65C
- SUS304-CSP
- SUP-10
  - SUP-10
ClearTrống
Outer Dia. D(Ø)
8

10

12.5

14

16

18

20

22.5

25

28

31.5

35.5

40

45

50
ClearTrống
Inner Dia. d(Ø)
4.2

5.2

6.2

7.2

8.2

9.2

10.2

11.2

12.2

14.2

16.3

18.3

20.4

22.4

25.4
ClearTrống
Free State Height H(mm)
0.55

0.6

0.7

0.75

0.85

0.9

1

1.05

1.1

1.2

1.25

1.35

1.4

1.45

1.55

1.6

1.7

1.75

1.8

2.05

2.1

2.15

2.2

2.25

2.45

2.5

2.65

2.75

2.8

3.05

3.1

3.15

3.4

3.5

4.1
ClearTrống
Load(N)
1,109

1,180

1,315

1,322

1,380

1,476

1,590

1,600

1,664

1,681

1,810

1,870

2,278

2,474

2,542

3,174

3,290

3,370

3,680

3,770

4,130

4,146

4,490

4,522

5,110

5,460

5,657

6,410

6,697

8,040

10,409

13,400

102

133

179

232

234

239

256

282

316

333

358

360

459

495

572

614

630

648

691

751

766

769

812

896

921

929

981
ClearTrống
Plate Thickness t(mm)
0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

1.1

1.2

1.25

1.5

1.6

1.75

1.8

2

2.25

2.5

3
ClearTrống
Total Deflection h(mm)
0.2

0.25

0.3

0.35

0.4

0.45

0.5

0.55

0.65

0.7

0.8

0.9

1

1.1

1.15

1.3

1.4
ClearTrống
Surface Treatment
- Black Oxide Coating
- NA
ClearTrống
type
- SRBN
- SSRBN
ClearTrống
CADCAD
- 2D
- 3D
ClearTrống

Days to ShipSố ngày giao hàng

Alltất cả các

Same day

4 Day(s) or Less

6 Day(s) or Less
ClearTrống

Specify AlterationsChỉ định thay đổi

Disc Springs

Click this image to zoom it.Nhấp vào hình ảnh này để phóng to.

Move the mouse over or click the image to zoom

Volume Discount

Brand :

MISUMI

Part Number :

SRBN8-A

SRBN8-B

SRBN10-A

SRBN10-B

SRBN12.5-A

SRBN12.5-B

SRBN14-A

SRBN14-B

SRBN16-A

SRBN16-B

SRBN18-A

SRBN18-B

SRBN20-A

SRBN20-B

SRBN22.5-A

SRBN22.5-B

SRBN25-A

SRBN25-B

SRBN28-A

SRBN28-B

SRBN8-A

Order Qty :
Total Price :

---
Days to ship :

---

Select part number to Order Now/ Add to Cart

CAD Download

(i)
Caution

thận trọng

Please check the content on our website as the PDF does not contain the most up-to-date information.

Product Description

MiSUMi C-VALUE

We have more cost competitive item

"Disc Springs"
Saving up to 95% vs "Disc Springs"

[Features]The materials can be selected from S65C, SUP10, and SUS304-CSP.
Disc Springs
Disc Springs also known as belleville spring offer a wide variety of sizes to choose from.
[Feature]
● Outer Diameter Minimum/Maximum (mm.) : 8 and 50
● Inner Diameter Minimum/Maximum (mm.) : 4.2 and 25.4
● Free State Height Minimum/Maximum (mm.) : 0.55 and 4.1 (depend on product code)
● Material : S65C, SUP10 and SUS304-CSP
● Surface treatment : Black Oxide for S65C and SUP10
[Application]
Disc springs are utilized in bolted joints to maintain the desired preload force.

SRBN
SSRBN
(Stainless Steel)

t	Load Tolerance (75% Deflection)
0.3~1.1	+25% -7.5%
1.2~3	+15% -7.5%

Type	[ M ]Material	[ S ]Surface Treatment	[ H ]Hardness
SRBN8~45	S65C	Black Oxide D45 and 50 are not treated.	42~48HRC
SRBN50	SUP10	Black Oxide D45 and 50 are not treated.	42~48HRC
SSRBN	SUS304-CSP	-	37~46HRC

Specifications

Part Number	-	Load Type A, B
SRBN22.5	-	A

Part Number		Load Type	D	d		t	H		h	Load N 75% Deflection		SRBN				SSRBN
Part Number										SRBN	SSRBN	Unit Price	Volume Discount Rate			Unit Price	Volume Discount Rate
Type	D									SRBN	SSRBN	1~49	50~74	75~99	100~500	1~49	50~74	75~99	100~500
SRBN SSRBN (Stainless Steel)	8	A	0 -0.15	4.2	+0.15 0	0.3	0.55	±0.10	0.25	133	102
	8	B		4.2		0.4	0.60		0.20	234	179
	10	A		5.2		0.4	0.70		0.30	232	179
	10	B		5.2		0.5	0.75		0.25	360	282
	12.5	A	0 -0.20	6.2		0.5	0.85		0.35	333	256
	12.5	B		6.2		0.7	1.00		0.30	769	572
	14	A		7.2		0.5	0.90		0.40	316	239
	14	B		7.2		0.8	1.10		0.30	921	691
	16	A		8.2		0.6	1.05		0.45	459	358
	16	B		8.2		0.9	1.25		0.35	1,315	896
	18	A		9.2		0.7	1.20		0.50	630	495
	18	B		9.2		1.0	1.40	±0.15	0.40	1,380	1,109
	20	A	0 -0.25	10.2	+0.20 0	0.8	1.35	±0.10	0.55	812	648
	20	B		10.2		1.1	1.55	±0.15	0.45	1,600	1,322
	22.5	A		11.2		0.8	1.45	±0.10	0.65	766	614
	22.5	B		11.2		1.2(1.25)	1.7(1.75)	±0.15	0.50	1,870	1,681
	25	A		12.2		0.9	1.6	±0.10	0.70	929	751
	25	B		12.2		1.6(1.5)	2.15(2.05)	±0.15	0.55	3,770	2,542
	28	A		14.2		1	1.8		0.80	1,180	981
	28	B		14.2		1.6(1.5)	2.25(2.15)		0.65	3,680	2,474
	31.5	A	0 -0.30	16.3		1.2(1.25)	2.1(2.15)		0.90	1,810	1,664
	31.5	B		16.3		1.8(1.75)	2.5(2.45)		0.70	4,490	3,370
	35.5	A		18.3	+0.25 0	1.2(1.25)	2.2(2.25)		1.00	1,590	1,476
	35.5	B		18.3		2	2.8		0.80	5,460	4,522
	40	A		20.4		1.6(1.5)	2.75(2.65)		1.15	3,290	2,278
	40	B		20.4		2(2.25)	3.1(3.15)		0.90	6,410	5,657
	45	A		22.4		1.8(1.75)	3.1(3.05)		1.30	4,130	3,174
	45	B		22.4		2.5	3.5	±0.2	1.00	8,040	6,697
	50	A		25.4		2	3.4	±0.15	1.40	5,110	4,146
	50	B		25.4		3	4.1	±0.2	1.10	13,400	10,409

[ ! ]t and H dimensions for SSRBN are shown in ( ). (Different from JIS)
[ ! ]Load is reference value. kgf=Nx0.101972

Part Number

Incomplete part number.
Please use left hand selections to complete a part number.Incomplete part number.
Please use left hand selections to complete a part number.

Loading...Tải…

: 30; 45; 60

Part Number
SRBN8-A
SRBN8-B
SRBN10-A
SRBN10-B
SRBN12.5-A
SRBN12.5-B
SRBN14-A
SRBN14-B
SRBN16-A
SRBN16-B
SRBN18-A
SRBN18-B
SRBN20-A
SRBN20-B
SRBN22.5-A
SRBN22.5-B
SRBN25-A
SRBN25-B
SRBN28-A
SRBN28-B
SRBN31.5-A
SRBN31.5-B
SRBN35.5-A
SRBN35.5-B
SRBN40-A
SRBN40-B
SRBN45-A
SRBN45-B
SRBN50-A
SRBN50-B
SSRBN8-A
SSRBN8-B
SSRBN10-A
SSRBN10-B
SSRBN12.5-A
SSRBN12.5-B
SSRBN14-A
SSRBN14-B
SSRBN16-A
SSRBN16-B
SSRBN18-A
SSRBN18-B
SSRBN20-A
SSRBN20-B
SSRBN22.5-A
SSRBN22.5-B
SSRBN25-A
SSRBN25-B
SSRBN28-A
SSRBN28-B
SSRBN31.5-A
SSRBN31.5-B
SSRBN35.5-A
SSRBN35.5-B
SSRBN40-A
SSRBN40-B
SSRBN45-A
SSRBN45-B
SSRBN50-A
SSRBN50-B

Price	Minimum Order Qty.	Volume Discount	Days to ShipSố ngày giao hàng	RoHS	Load Type	Material	Outer Dia. D (Ø)	Inner Dia. d (Ø)	Free State Height H (mm)	Load (N)	Plate Thickness t (mm)	Total Deflection h (mm)	Surface Treatment
31,486 VND	1 Piece(s)	Available	4 Day(s) or more	10	A	[S65~70C (Black Oxide)] S65C	8	4.2	0.55	133	0.3	0.25	Black Oxide Coating
31,486 VND	1 Piece(s)	Available	4 Day(s) or more	10	B	[S65~70C (Black Oxide)] S65C	8	4.2	0.6	234	0.4	0.2	Black Oxide Coating
2,830 VND	1 Piece(s)		Same day	10	A	[S65~70C (Black Oxide)] S65C	10	5.2	0.7	232	0.4	0.3	Black Oxide Coating
32,737 VND	1 Piece(s)	Available	4 Day(s) or more	10	B	[S65~70C (Black Oxide)] S65C	10	5.2	0.75	360	0.5	0.25	Black Oxide Coating
1,480 VND	1 Piece(s)		Same day	10	A	[S65~70C (Black Oxide)] S65C	12.5	6.2	0.85	333	0.5	0.35	Black Oxide Coating
33,780 VND	1 Piece(s)	Available	6 Day(s)	10	B	[S65~70C (Black Oxide)] S65C	12.5	6.2	1	769	0.7	0.3	Black Oxide Coating
2,030 VND	1 Piece(s)		Same day	10	A	[S65~70C (Black Oxide)] S65C	14	7.2	0.9	316	0.5	0.4	Black Oxide Coating
34,405 VND	1 Piece(s)	Available	Same day	10	B	[S65~70C (Black Oxide)] S65C	14	7.2	1.1	921	0.8	0.3	Black Oxide Coating
34,823 VND	1 Piece(s)	Available	Same day	10	A	[S65~70C (Black Oxide)] S65C	16	8.2	1.05	459	0.6	0.45	Black Oxide Coating
2,650 VND	1 Piece(s)		Same day	10	B	[S65~70C (Black Oxide)] S65C	16	8.2	1.25	1,315	0.9	0.35	Black Oxide Coating
3,990 VND	1 Piece(s)		Same day	10	A	[S65~70C (Black Oxide)] S65C	18	9.2	1.2	630	0.7	0.5	Black Oxide Coating
3,030 VND	1 Piece(s)		Same day	10	B	[S65~70C (Black Oxide)] S65C	18	9.2	1.4	1,380	1	0.4	Black Oxide Coating
4,050 VND	1 Piece(s)		Same day	10	A	[S65~70C (Black Oxide)] S65C	20	10.2	1.35	812	0.8	0.55	Black Oxide Coating
36,491 VND	1 Piece(s)	Available	Same day	10	B	[S65~70C (Black Oxide)] S65C	20	10.2	1.55	1,600	1.1	0.45	Black Oxide Coating
4,530 VND	1 Piece(s)		Same day	10	A	[S65~70C (Black Oxide)] S65C	22.5	11.2	1.45	766	0.8	0.65	Black Oxide Coating
7,040 VND	1 Piece(s)		Same day	10	B	[S65~70C (Black Oxide)] S65C	22.5	11.2	1.7	1,870	1.2	0.5	Black Oxide Coating
37,534 VND	1 Piece(s)	Available	Same day	10	A	[S65~70C (Black Oxide)] S65C	25	12.2	1.6	929	0.9	0.7	Black Oxide Coating
6,300 VND	1 Piece(s)		Same day	10	B	[S65~70C (Black Oxide)] S65C	25	12.2	2.15	3,770	1.6	0.55	Black Oxide Coating
38,577 VND	1 Piece(s)	Available	Same day	10	A	[S65~70C (Black Oxide)] S65C	28	14.2	1.8	1,180	1	0.8	Black Oxide Coating
39,202 VND	1 Piece(s)	Available	Same day	10	B	[S65~70C (Black Oxide)] S65C	28	14.2	2.25	3,680	1.6	0.65	Black Oxide Coating
7,100 VND	1 Piece(s)		Same day	10	A	[S65~70C (Black Oxide)] S65C	31.5	16.3	2.1	1,810	1.2	0.9	Black Oxide Coating
41,496 VND	1 Piece(s)	Available	Same day	10	B	[S65~70C (Black Oxide)] S65C	31.5	16.3	2.5	4,490	1.8	0.7	Black Oxide Coating
13,440 VND	1 Piece(s)		Same day	10	A	[S65~70C (Black Oxide)] S65C	35.5	18.3	2.2	1,590	1.2	1	Black Oxide Coating
9,740 VND	1 Piece(s)		Same day	10	B	[S65~70C (Black Oxide)] S65C	35.5	18.3	2.8	5,460	2	0.8	Black Oxide Coating
51,504 VND	1 Piece(s)	Available	6 Day(s)	10	A	[S65~70C (Black Oxide)] S65C	40	20.4	2.75	3,290	1.6	1.15	Black Oxide Coating
56,510 VND	1 Piece(s)	Available	Same day	10	B	[S65~70C (Black Oxide)] S65C	40	20.4	3.1	6,410	2	0.9	Black Oxide Coating
25,030 VND	1 Piece(s)		Same day	10	A	[S65~70C (Black Oxide)] S65C	45	22.4	3.1	4,130	1.8	1.3	NA
57,969 VND	1 Piece(s)	Available	Same day	10	B	[S65~70C (Black Oxide)] S65C	45	22.4	3.5	8,040	2.5	1	NA
31,210 VND	1 Piece(s)		Same day	10	A	[SUP-10] SUP-10	50	25.4	3.4	5,110	2	1.4	NA
40,160 VND	1 Piece(s)		Same day	10	B	[SUP-10] SUP-10	50	25.4	4.1	13,400	3	1.1	NA
2,370 VND	1 Piece(s)		Same day	10	A	SUS304-CSP	8	4.2	0.55	102	0.3	0.25	NA
33,364 VND	1 Piece(s)	Available	6 Day(s)	10	B	SUS304-CSP	8	4.2	0.6	179	0.4	0.2	NA
33,780 VND	1 Piece(s)	Available	6 Day(s) or more	10	A	SUS304-CSP	10	5.2	0.7	179	0.4	0.3	NA
33,780 VND	1 Piece(s)	Available	4 Day(s) or more	10	B	SUS304-CSP	10	5.2	0.75	282	0.5	0.25	NA
34,198 VND	1 Piece(s)	Available	Same day	10	A	SUS304-CSP	12.5	6.2	0.85	256	0.5	0.35	NA
34,405 VND	1 Piece(s)	Available	4 Day(s) or more	10	B	SUS304-CSP	12.5	6.2	1	572	0.7	0.3	NA
2,080 VND	1 Piece(s)		Same day	10	A	SUS304-CSP	14	7.2	0.9	239	0.5	0.4	NA
35,865 VND	1 Piece(s)	Available	4 Day(s) or more	10	B	SUS304-CSP	14	7.2	1.1	691	0.8	0.3	NA
35,865 VND	1 Piece(s)	Available	4 Day(s) or more	10	A	SUS304-CSP	16	8.2	1.05	358	0.6	0.45	NA
36,491 VND	1 Piece(s)	Available	4 Day(s) or more	10	B	SUS304-CSP	16	8.2	1.25	896	0.9	0.35	NA
37,117 VND	1 Piece(s)	Available	4 Day(s) or more	10	A	SUS304-CSP	18	9.2	1.2	495	0.7	0.5	NA
37,534 VND	1 Piece(s)	Available	4 Day(s) or more	10	B	SUS304-CSP	18	9.2	1.4	1,109	1	0.4	NA
37,742 VND	1 Piece(s)	Available	Same day	10	A	SUS304-CSP	20	10.2	1.35	648	0.8	0.55	NA
38,784 VND	1 Piece(s)	Available	4 Day(s) or more	10	B	SUS304-CSP	20	10.2	1.55	1,322	1.1	0.45	NA
39,411 VND	1 Piece(s)	Available	4 Day(s) or more	10	A	SUS304-CSP	22.5	11.2	1.45	614	0.8	0.65	NA
41,078 VND	1 Piece(s)	Available	4 Day(s) or more	10	B	SUS304-CSP	22.5	11.2	1.75	1,681	1.25	0.5	NA
41,496 VND	1 Piece(s)	Available	4 Day(s) or more	10	A	SUS304-CSP	25	12.2	1.6	751	0.9	0.7	NA
42,747 VND	1 Piece(s)	Available	4 Day(s) or more	10	B	SUS304-CSP	25	12.2	2.05	2,542	1.5	0.55	NA
43,163 VND	1 Piece(s)	Available	4 Day(s) or more	10	A	SUS304-CSP	28	14.2	1.8	981	1	0.8	NA
14,250 VND	1 Piece(s)		4 Day(s) or more	10	B	SUS304-CSP	28	14.2	2.15	2,474	1.5	0.65	NA
46,917 VND	1 Piece(s)	Available	4 Day(s) or more	10	A	SUS304-CSP	31.5	16.3	2.15	1,664	1.25	0.9	NA
50,254 VND	1 Piece(s)	Available	4 Day(s) or more	10	B	SUS304-CSP	31.5	16.3	2.45	3,370	1.75	0.7	NA
53,173 VND	1 Piece(s)	Available	4 Day(s) or more	10	A	SUS304-CSP	35.5	18.3	2.25	1,476	1.25	1	NA
57,552 VND	1 Piece(s)	Available	4 Day(s) or more	10	B	SUS304-CSP	35.5	18.3	2.8	4,522	2	0.8	NA
64,224 VND	1 Piece(s)	Available	4 Day(s) or more	10	A	SUS304-CSP	40	20.4	2.65	2,278	1.5	1.15	NA
70,897 VND	1 Piece(s)	Available	4 Day(s) or more	10	B	SUS304-CSP	40	20.4	3.15	5,657	2.25	0.9	NA
76,319 VND	1 Piece(s)	Available	4 Day(s) or more	10	A	SUS304-CSP	45	22.4	3.05	3,174	1.75	1.3	NA
51,680 VND	1 Piece(s)		Same day	10	B	SUS304-CSP	45	22.4	3.5	6,697	2.5	1	NA
100,299 VND	1 Piece(s)	Available	4 Day(s) or more	10	A	SUS304-CSP	50	25.4	3.4	4,146	2	1.4	NA
113,019 VND	1 Piece(s)	Available	4 Day(s) or more	10	B	SUS304-CSP	50	25.4	4.1	10,409	3	1.1	NA

Loading...Tải…

More Information

■Load Characteristics in Combination (Excerpt from JIS B 2706 (2003))

[ ! ]A guide is necessary to keep the springs aligned.
[ ! ]Please use the disc springs of same size and load only.

Product TOP

The specifications and dimensions of some parts may not be fully covered. For exact details, refer toCác thông số kỹ thuật và kích thước của mã sản phẩm có thể không được bao phủ đầy đủ. Để biết chi tiết chính xác, hãy tham khảo manufacturer catalogsdanh mục nhà sản xuất ..

MISUMI Unit Example related to this product

Basket Transfer Chain Conveyor

back next

Top of the page

About MISUMIVề Misumi

About this WebsiteVề trang Web này

Useful ToolsCác công cụ hữu ích

Customer ServiceDịch vụ chăm sóc khách hàng

MISUMI Contact Monday to Saturday: 8:00 am - 5:00 pm Order cut off time is 5:00 pm Thứ 2 đến Thứ 7: 8 giờ sáng đến 5 giờ chiều Hạn chót đặt hàng là 5 giờ chiều

Tel:Số điện thoại:0222-361-1555
Fax:Số Fax:0222-361-2555
InquiryYêu cầu

MISUMI APP

Install MISUMI APP

TALK

TALK ID : Misumi_vn

MISUMI Vietnam Company Limited, Legal Representative: Tomohiro Watanabe,
phone: 0222-361-1555, e-mail: cs@misumi.com.vn, Enterprise Code: 0107514576,
Date of Issuance: 22 July 2016, Place of Issuance: Bac Ninh, Business Certificate No. 6573041568-KD dated 27 September 2016 issued by the People's Committee of Bac Ninh

Công ty TNHH MISUMI Việt Nam, Đại diện theo pháp luật: Tomohiro Watanabe,
Điện thoại: 0222-361-1555, e-mail: cs@misumi.com.vn, Mã số doanh nghiệp: 0107514576,
ngày cấp 22/7/2016, nơi cấp: Bắc Ninh, Giấy phép kinh doanh số: 6573041568-KD ngày cấp 27/9/2016 bởi UBND tỉnh Bắc Ninh

ものづくりの、明日を支える。MISUMI-VONA 生産材コマース ものづくりの、明日を支える。MISUMI-VONA 生産材コマース

Search by Category / Brand Tìm theo danh mục, nhãn hiệu

Search by Category Tìm theo danh mục

How can we improve?

ConfigureTạo

Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước

Load Type

Material

Outer Dia. D(Ø)

Inner Dia. d(Ø)

Free State Height H(mm)

Load(N)

Plate Thickness t(mm)

Total Deflection h(mm)

Surface Treatment

type

CADCAD

Days to ShipSố ngày giao hàng

Specify AlterationsChỉ định thay đổi

Disc Springs

Copy Part Number URL to Clipboard

(i) Caution thận trọng

Product Description

Specifications

Part Number

More Information

MISUMI Unit Example related to this product

About MISUMIVề Misumi

About this WebsiteVề trang Web này

Useful ToolsCác công cụ hữu ích

Customer ServiceDịch vụ chăm sóc khách hàng

MISUMI Contact Monday to Saturday: 8:00 am - 5:00 pm Order cut off time is 5:00 pm Thứ 2 đến Thứ 7: 8 giờ sáng đến 5 giờ chiều Hạn chót đặt hàng là 5 giờ chiều

ものづくりの、明日を支える。MISUMI-VONA 生産材コマースものづくりの、明日を支える。MISUMI-VONA 生産材コマース

(i)
Caution

thận trọng