Company NameNINGBO TRANSHOW FASTENER CO., LTD.
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About UsNingbo Transhow Screw Factory, is a professional manufacturer and distributor of various fasteners and hardware. Its located in Yinzhou District, Ningbo City, around 10 minutes drive to the Ningbo airport.

Transhow Screw Factory, produce hex flange head bolt, round head and various headed bolts, wood screws and self tapping screws, customized screws, bolts, nuts, washers, threaded or non-threaded fasteners. Its manufacturing facility including wire heating and pre-production treatment equipments, cold heading machines, multi functional forming machines, tapping, grounding, stamping, drilling, lathes and other tooling.

With more than 15 years production and supplying experience, we are the main suppliers of fasteners and hardware to our local electronics, furniture and machining manufacturers. Our customized bolts, screws and metal stampings, couplings and clamps are widely used in the electricity supply system, electronic transmission facilities, furniture and instrument assembly parts.

Our general production material are carbon steels, stainless steels, brass, copper and aluminium alloys.
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NameMr. Johnson He
Address Zhouhan Village, Jiangshan Town Yinzhou District, Ningbo, China
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Products Details

China Manufacturer Custom High Quality Color Zinc Compression Spring
Product details:

DescriptionChina Manufacturer custom high quality color zinc compression spring
Material Stainless Spring 
SpecificationsWire diameter 0.1-8 intermediate diameter=11.4
Surface finish Zinc plating
Capacity Wire diameter ranging from 0.2-8.0mm
Wire shape option coil flat, rectangular ,square, triangular,etc
Material optionStainless steel:

SUS301(1.4310),SUS302(1.4307),SUS304,SUS316,SUS430,

Carbon steel:

 SWC-72A,SWC-65Mn, 60Si2Mn, 55CrSia,(60Si2CrA)

 SWPB(Music wire), EN10270-1 SH, DIN 17223, ASTM-A228 .etc

Cooper/Brass:

Brass(CuZn36,CuZn40,CuZn30),copper(C1100~C15815),Planted wire

Alloy:

titanium alloy etc

Surface finish optionNickel plating, chrome plating, zinc plating, galvanization ,passivation, ,silverplating
UsageMachine Parts / Lighting Accessories / Hardware / Plastic 
Advantage7 year producing experience 
Engineering Product analysis,design,test, validation etc
Test equipmentsprojector, digital hardness tester, life tester
Quality control100% inspection before shipment 
Certification ISO9001 certificate; Rohs


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Mainly ProductsChina Manufacturer Custom High Quality Color Zinc Compression Spring