Shandong Hengtong Expansion Joint Manufacturing Co., Ltd.
The company has obtained my country's special equipment manufacturing license, pressure vessel A1 qualification, pressure piping components A and B qualifications, and has obtained EU PED-CE certification, American ASME "U" stamp, ISO 9000 quality management system certification, GB/T 14000 Environmental Management System Certification and GB/T 45000 Occupational Health and Safety System Certification. Expansion joint products include pressure pipe corrugated expansion joints, pressure vessel wave expansion joints, metal bellows, metal hoses, PTFE compensators, rubber compensators and non-metallic compensators.