A. Product specifications
Materials
Spring steel, carbon steel, stainless steel, etc according to u request.

Surface treatment
Plain, Zinc plated, Passivated, Nickle plated, HDG, Black Oxided, Dacromet

Salt spray time
2 hours, 24 hours, 48 hours, 96 hours, 1000 hours we can do as per need. And can offer with salt spray checking report.

Special report
Free PPAP or FMEA report for automobiles industry.
Other SGS report can be provided as per your need.

Packing:
wooden case with pallet

Payment terms:
TT 30% deposit in advance, 70%Balance Before shipment
100% LC at sight

C. Quality control systems
Quality Certificate: ISO9001: 2008
Inspection quality system: ISO standard, 100% Whole range inspection through the production.
Inspection equipment: Hardness test, torque test, salt spray endurance test, mechanical sizes test, RoHS report Mill test certification and etc as per your need.

Our strength:
1. Can make custom-specific fasteners
2. Two mills can ensure timely production and delivery
3. With 100%inspection prior to shipment
4. Good after -sales service
5. Offer a full range standard fasteners to meet client requirment

As a professional manufacturer for railway parts, Zhonghui Railway Parts Co., Ltd. has various kinds of products which are widely used in constructing and maintaining several railways and subways.

Besides ,we can according to u drawings to manufacture all kinds of non-standard fastener.