111S0119-3 Japanese words ring suitable for mechanized mining scraper conveyor for SGB630 / 75, SGB630 / 150 and other type scraper conveyor, used to connect the blade and chain, serrated ring material is generally made of material 25MnV or 23MnNiMoCr54 connecting ring has a very important role in the operation, as a result of the quality of the links back into the fracture, it will cause serious operational accidents. 22 × 86-type arc tooth ring, also known as tooth coupling ring arc, arc tooth link chain, suitable for mechanized mining scraper conveyor, 630, 730 and other applicable type scraper conveyor, used to connect the blade and chain, serrated ring made of material is generally 25MnV or 23MnNiMoCr54 material, connecting ring has in operation a very important role, as a result of the quality of the links back into the fracture, it will cause serious operational accidents. Division I professional production scraper machine parts, mainly reducer series, Gear series, sprocket series, rollers series of round series, scraper, scraper connecting ring, 136 sprockets, chain rings, scraper round chain, connecting ring, 3380 semi-roller, roller 2533 tail, tail shaft, gear, arc scattered gear, two helical gears, spur gears triaxial, four, helical gears, spur gears, box , frame body, cover plates, separators, head frame, tail rack, central groove, excessive ducts, and other accessories. Reducer JS30, JS40 reducer, scraper conveyor, cast stone scraper conveyor, SGB42030 scraper conveyor, SGB630150 scraper conveyor, loader, reducer, mechanized mining accessories.