Sichuan Guangzheng Technology Co., Ltd., established on 2010-06-28, Business scope includes technical promotion services;Production,Sales:Railway rolling stock accessories,Railway special equipment and equipment,Accessories,Shield machine and supporting equipment hob,cutter,mining tools,engineering tool,railway spike,Elliptical,Iron plate,Rubber mat,Combination fasteners and other railway construction equipment,Tamper picks for large tamping vehicles,Rail Milling Blades and Rolling Stock Cars,milling,Repair blade,Grinding wheel for railway rail large grinding vehicle,brake disc,brake pads;Machining;Laser Welding Services;3D printing service;research and development,Sales:Rubber fastener backing plate,sealant,building materials(Does not contain hazardous chemicals),Equipment,Electronic equipment;Import and export of goods and technology.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).