Features: 1. Material: Alloy Steel, Carbon Steel, Stainless Steel, , Cast Iron, Aluminum, Copper, Brass and so on 2. Heat Treatment: Hardening and Tempering, High Frequency Quenching, Carburizing Quenching and so on. 3. Surface Treatment: Galvanizing/Zinc Plating, chrome plated, Black oxide Treatment, Spray Paint, Mirror Finish, Sand-blasting and so on according to ROHS demand. 4. Inspection: All items are checked and tested thoroughly during every working procedure and after the product is finally manufactured to ensure that the best quality product enter into the market. 5. Durable, bad condition Resistance Our sprocket models for your reference: 1)Short/single pitch sprocket: *Chain matched:35 (06C) Teeth:from 9-120 *Chain matched:40 (08A) Teeth:from 9-120 *Chain matched:50(10A) Teeth:from 9-120 *Chain matched:60 (12A) Teeth:from 9-120 *Chain matched:80 (16A) Teeth:from 9-120 *Chain matched:100 (20A) Teeth:from 9-120 *Chain matched:120 (24A) Teeth:from 9-120 *Chain matched:140(28A) Teeth:from 9-120 *Chain matched:160 (32A) Teeth:from 9-120 *Chain matched:180 (36A) Teeth:from 9-120 *Chain matched:200 (40A) Teeth:from 9-120 2)Double pitch sprocket: *P=25.4mm Teeth:from 7-100 *P=31.8mm Teeth:from 7-100 *P=38.1mm Teeth:from 7-100 *P=50.8mm Teeth:from 7-100 *P=63.5mm Teeth:from 7-100 Packing: Little quantity (Samples ) Carton More quantity: Wooden case Delivery time: standard size  within 10 days.                custom-made size within 15 days. ServiceOEM/ODM
Sprockets, roller chain, timing pulley and belt, gear rack, gear etc.
Gear, shaft, pully, casting parts.
Electrical Equipment.
Springs, draft gear, coupler, side buffer, brake,steel casting, forging, bogies,side frame, bolsters, etc.