Carbon steel spring washer Carbon steel spring washer Spring washer

Spring washer

We can manufacture various high quality fasteners which meet the GB, DIN, ANSI, JIS and ISO standard.

We support customized and can also manufacture non-standard fasteners according to drawing.

Shanghai Jinrui Norm Parts Supplies Co., Ltd. is specialized in producing fastening pieces and other 

norm parts supplies. Shanghai Jinrui owns Shanghai Xingrui Bolt factory and Shanghai Xingrui Wire steel factory. We have many cold-heading machines, nut machines and hot-heading machines. Our company has certificates of ISO9001 and TS 16949, and we can manufacture fasteners in accordance with GB, DIN, ANSI, JIS, ISO and customer’s requirements with favorable price.

From raw materials to end product delivery, it has a strict control program. Accurate completion is done about wiring- roughing – annealing- pickling - drawing - heading - rolling - heat treatment -surface treatment -packaging and other aspects.

Laboratory currently has the salt spray tester, desktop direct- reading spectrometer, metallographic analyzer, carbon sulfur analyzer, multifunctional electrolysis thickness gauge, spectroscope, projector, hydraulic tensile tester, hardness tester, automatic screening machine, magnetic detection machines and a variety of specialized testing equipment. 

The regular package is cartons and pallets. 20-25 kgs per pallet and 36 cartons per pallet. Also we can pack as per the requirements of clients.

Jinrui has passed ISO9001, 2008 international quality system certification in 2001 and TS/16949 automobile quality control system in 2012. We also obtained special equipment manufacturing license(for pressure pipeline ) in 2010. We have effected "global product liability insurance" for our products from People's Insurance Company of China.

Why choose Shanghai Jinrui ?

(1) Create value for our valuable customers

We always provide good quality and nice design products to meet the needs of the customers. We are the leader in this field and we always provide good products and service to our valuable customers.

(2) Better Quality with Lower Price

We always supply the better price on the same quality level, and try our best to save the client’s every cent.

(3) Never stop developing the New Product.

Every year, our company will develop the new products to meet the market need.

(4) Manufacture & Export experts

As we have a favorable frame and stable quality control, our products can be found in nearly all continents. 14 years of manufacture & export experience, deliver goods by different means: truck, rail and sea containers.

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