Products

Blacken 2.5mm torsion spring for door lock(Samples welcomed)

Product Detailed

1.Material:high carbon spring steel 2.Surface:blackem.nickel,zinc,chromed plated 3,SGS Certificate 4.OEM,ODM welcomed

Blacken 2.5mm torsion spring for door lock(Samples welcomed):

1.Material:steel,stainless steel.brass,aluminum,brass.cooper. carbon steel.

2.Surface:zinc plating ,powdered,pas

3.All our products are made by high-quality steels and first-class producing process

4.Samples are warmly welcomed !

Our Advantage;

1	Factory	Established in 2000,got SO 9001-2004 approved
2	Casting experience	Over 15rs,OEM service available
3	Trade experience	Over 10 years
4	Strong enginnering team	Accurately read drawing,offer competitive price and gurantee good qualitly products
5	Packing	Inner plastic bag , outer carton box, and advised by customer.
6	Surface Treatment	Powder coating,neikel plating,chrome plating,zinc plating,etc and We can make according to your design
7	Production euipment	production line of investment casting introduced from Taiwan,spectrum analyzer device imported from Germany,vacuum melting furnace,CNC machine center...
8	Test Euipment	spectrum analyzer, Physio-chemicalLabora tory
9	Production lines	1) The lost-wax casting of stainless steel and heat-resisting steel with silica-gel shell made of mid-temperature wax materials; 2) Two lines of lost-wax casting of carbon steel and alloy steel with water glass shell made of low-temperature wax material; 3) The resin sand casting of ductile iron and gray iron; 4) Non-ferrous casting with investment casting or sand casting process; 5) Advanced machining center.
10	Awared Certificate	in line with European environmental requirements, meet the RoHS standards (SGS test