Linyi tianhai import and export co.LTD company is located in linyi city hedong district industrial park, covers
an area of 200 mu, building area of 56000 square meters, existing staff 500, including engineering and technical personnel 50,
and the physical and chemical testing, nondestructive testing, material analysis, mechanical property test and test and other
professional and technical personnel. Company has steel seamless gas cylinder (industrial oxygen, medical oxygen, carbon dioxide, argon,
nitrogen, hydrogen, sulfur hexafluoride gas cylinders), welding, steel tank toroidal winding cylinder, fire gas cylinder production qualification,
oxygen cylinders factory production six steel seamless cylinder assembly lines, 80 sets of production equipment for the physical and
chemical analysis, inspection, testing and the test devices, instruments and complete.