Products

DESCRIPTION

Basic Info.

Color	Black/Dark Gray
Usage	Helical Spring ,Bonnel Spring
After Service	Yes
Special Use	Cold Heading Steel
Type	Spring, Bedroom Furniture
Specification	about 300KG
Origin	China
HS Code	7217100000
Production Capacity	4500 Ton/Month

Product Description

Product parameters

Diameter/mm	Permissible deviations/mm	Tensile strength/MPa
		GRADE B	GRADE C	GRADE D
0.30	±0.014	2010-2400	2300-2700	2640-3040
0.32	±0.018	1960-2350	2250-2650	2600-2990
0.35		1960-2350	2250-2650	2600-2990
0.40		1910-2300	2250-2650	2600-2990
0.45		1860-2260	2200-2600	2550-2940
0.50		1860-2260	2200-2600	2550-2940
0.55		1810-2210	2150-2550	2500-2890
0.60		1760-2160	2110-2500	2450-2840
0.65	±0.02	1760-2160	2110-2500	2450-2840
0.70		1710-2110	2060-2450	2450-2840
0.80		1710-2060	2010-2400	2400-2840
0.90		1710-2060	2010-2350	2350-2750
1.00		1660-2010	1960-2300	2300-2690
1.20	±0.03	1620-1960	1910-2250	2250-2550
1.40		1620-1910	1860-2210	2150-2450
1.60		1570-1860	1810-2160	2110-2400
1.80		1520-1810	1760-2110	2010-2300
2.00		1470-1760	1710-2010	1910-2200
2.20		1420-1710	1660-1960	1810-2110
2.50		1420-1710	1660-1960	1760-2060
2.80		1370-1670	1620-1910	1710-2010
3.00		1370-1670	1570-1860	1710-1960
3.20	±0.038	1320-1620	1570-1810	1660-1910
3.50		1320-1620	1570-1810	1660-1910
4.00		1320-1620	1520-1760	1620-1860
4.50		1320-1570	1520-1760	1620-1860
5.00		1320-1570	1470-1710	1570-1810
5.50		1270-1520	1470-1710	1570-1810
6.00		1220-1470	1420-1660	1520-1760
6.50	±0.045	1220-1470	1420-1610
7.00		1170-1420	1370-1570
8.00		1170-1420	1370-1570

Product detailsProduction ProcessTesting Center

Why Choose Us?

1. The range of the products in our factory is wide and we can provided custom services.

2. We can arrange Express delivery, Air delivery and Ocean delivery shipment.

3. Profassional designer & samples maker team can satisfied you needs.

4. Our company pay attention to the quality control system, every product has received a rigorous test.

5. Due to our high quality products, we are already famous in the industry.

6. We have an advanced production line, the output can reach 50 tons/day

Our services:

1. 24 hours prompt reply by mail.

2. Other thickness & size also available on request. We provided custom services.

3.Free samples for you reference.

4. Excellent after-sale services, if the quality of the product is not qualified by external factors,we take the initiative to give a satiffactory reply.

5 Flexible terms of payment(T/T, L/C, Western Union or negotiation)
Certifications
Company information
Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of quot&quality first, customer first and credit-based" Since the establishment of the company and always do our best to satisfy potential needs of our customers.Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with an irresistible force.
Packing&Delivery
FAQ

1. Are you factory or trade company?

We are factory, all the products are produced by our own company.

2. Can you send me some saamples for free?

Yes, we could. You can test the sa,ples to decide whether choose our company.

3. Can i visit your company?

Yes, you can visit our factory and check our products.

4. How package the products?

We pack the products as custom requirements

5. How about the payment?

L/C T/T or otrhers, it can be negotiation.