China professional screw and barrel manufacture, bimetal screw ,screw barrel processing

HUACHEN is a professional manufacture of screw barre in china with more than 20 years experience.
1.We do each processing by yourself, never outside processing
2.we do nitriding treatment by ourself ,the. hardness can reach》hv1000
3.we have our special bimetallic foRmual, our bimetallic hardness can reach 》HRC63
4.We have top SKD tech, solve high filler wearing problem.