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Product Details

Spin Hook/ Rotation Hook/ Swivel Hook

Product Description

Jiangnan Spring founded in 1972, have a long history and rich experience in the production of Springs , Stamping parts and other hard wares.

We own the consummate equipment, the advanced craft and technology, the high precision testing instruments. They great enhances the machining accuracy, effectively guarantee the superior quality of the goods,reduces the product manufacture cycle

We own long history , rich experience , advanced technology and equipment. We are your trusted partner

OEM is welcome , Just send us your drawing or sample, if no drawing, hand drawing also ok.

spring
Material Type	Carbon Steel: 65MN, 60Si2Mn, C1085, 50CrMo
	Stainless Steel: SUS304, SUS301, SUS201
	Alloy: 17-7PH, X750, X718
	Copper: C1100

Surface treatment	Color:	Type:
	Black	Black oxidation
	White	Nickel plating
		Chrome
		Galvanization
		Silver
	Other Color	Powder plating
		Gold
		Plastic

Applications	Industry	For various types of load, the tensioning buffer reset in compression, tension, torsion, dish, mold, relays, brush springs, spring and fuel pump for marine diesel
	Chemical, oil	Gas compressor springs, chemical pipeline valve springs, oil rig spring
	Daily Hardware	Mattress springs, sofa springs, spring fitness, toys, locks, lighter springs, various spring hinge
	Automobiles, motorcycles	Coil springs, stabilizer bars, valve springs, clutch springs, spring pump, gearbox springs, motorcycle shock absorber spring, spring seat belts, other types of spring
	Instrument	Spring force load instruction, computer spring

Testing Machine:	Fatigue tester, Tensile Tester, Torgue Meter, salt spray tester
Production euipment:	Coiling machine Adf -CNC502,Eyc-cnc502s, JK335-3.5, TK316-1.6, TK208-0.8
Standard:	ISO, GB, DIN, JIS, ANSI, BSW

Company Information

Production Capality

equipment of hardware workshop
punching machine	63
hydropress	2
cutting machine	2
press machine	1
bench drilling machine	8
automatic bench locking scre	6
TIG welding machine	6
spot-welder

spring workshop
universal automatic spring coil machine	20
torsion spring for-mer	10
Eight claw machine	4
Continuous tempering furnace	4
Double -sided spring gringding machine

Inspection equipment

tensile and compression testing machine(torsion spring)	5
torsion testing machine	1
hardmeter	2
projector	1
vernier caliper	10
gauge	yours

Packaging & Shipping

Buying guide

FAQ

Q: Why choose our compay?

expertise in custom made products, 40 year experience grantee.

Q: Which shipping way will you use for the products?
A: 1.For light weight or small, we will use international express, such as TNT, DHL, UPS, FEDEX and so on.

2.For heavy weight (more than 300KG above) and large size (more than 0.1CBM), we would recommend that you take by sea.

Q: What's your delivery date?
A: It depends on the number of orders. Delivery date is 7~25 days.

Q:Mainly staffs?

A:30 engineer 120 workers.

Q: Where are you located?

A:Our company located in Hangzhou, 15mins to Hangzhou Airport, close to Shanghai, which is a good traffic condition and cheaper shipping in coastal cities.