Spring washer strength 4.8 6.8 8.8 10.9 12.9 standard size Zinc Plain DIN127 JISB1251 ANSIB18.21.1 Spring Washer UNF UNC ANSI manufacture wholesale price

Special process and characteristic advantages:
1.Galvanized surface,high brightness,strong corrosion resistance
2.Carburize tempering treatment, high surface hardness
3.Advanced technology, high locking performance.

1. 25 kg bags or 50kg bags.

2. bags with pallet.

3. 25kg cartons or cartons with pallet.

4. Packing as customers’ request

1. A complete set of our own team to support your selling.
We have outstanding R&D team, strict QC team, exquisite technology team and good service sales team to offer our customer the best service and products. We are both manufacturer and trading company.
2. We have our own factories and have formed a professional production system from material supplying and manufacture to sale, as well as a professional R&D and QC team. We always keep ourselves updated with market trends. We are ready to introduce new technology and service to meet the market needs.
3. Quality assurance.
We have our own brand and corresponding significance to quality,we passed ISO9001 and IATF16949 quality system certification in 2019, and be honored as “keep faith”and “trust quality”enterprise by Chinese government for 10 consecutive years.

YungChang (YC) is a fastener manufacture enterprise, major product includes bolts, nuts, crews, pins, anchors, hose clamp, and special customized, use high quality raw material which originate from imported or domestic large-scale steel factory, the production applies advanced ERP management system and flexible operation model. By its top-grade talent and first-class producing equipment, High quality, various item, different colour and excellent service. The capacity per year is over 30 thousands tons, which is the main manufacturer of high strength fasteners in China, supplying products to European Union, Southeast Asia, Africa , Japan, Korea, and American markets.