The factory ( company ) according to national standards, industry standards, ANSI/ASME standards and DIN standards at home and abroad such as metric, inch fastener standards of production, can also according to user requirements design and production of non-standard fasteners and similar fastener parts, products up to more than 2000 varieties, specifications from M8-M160, strength grade from grade 4.8 -12.9, the accuracy of 4H-6H, pressure 160Kg-20Kg. The material of carbon structural steel, alloy structural steel, ASTM, SA193, SA320, SA194, SA307, SA563, austenite, martensite stainless steel, heat-resistant steel and GH2132, GH738 high temperature alloy, grade of more than 50 species, bear the urea, petrochemical equipment and one or two, three types of pressure vessel manufacturing factory facilities and meet the repair service the user. The company has strong technical strength, product 100% magnetic particle inspection, processing equipment, advanced technology, complete testing means, and the establishment of an effective quality management system, passed the ISO9001 quality system certification and pressure piping components manufacturing unit safety registration. The factory ( company ) has become the supplies and equipment in petrochemical, Chemical Equipment Corporation, National Bureau of plant parts supply network members, many petrochemical machinery company, in the Chinese chemical construction company, Shanghai Gaoqiao Petrochemical, Maoming petrochemical, Petrochemical Industries Co, and foreign companies in China, have been exported to the United States, the Middle East, South asia. Factory in Handan to supply the national standard GB, German standard DIN 4.8 level 8.8 level and supporting bolts, nuts and washers, Tianjin Beichen factory is the Ministry of Railways fixed-point enterprise production and supply of 10.9,12.9 system mainly British, petrochemical pipeline valve high-end bolt and nut supporting; Shanghai enterprises with stainless steel bolts and nuts.