About Us

Manufacturer of various types of compensators, metal bellows expansion joints, and corrugated metal hoses.

Honors and Qualifications


The company boasts a comprehensive quality assurance system, a full range of testing capabilities, state-of-the-art production equipment, and robust technological R&D expertise. Since obtaining ISO 9001:2000 certification in January 2002, the company has consistently upheld stringent product quality management. Its “Huixin”-branded expansion joints, metal bellows expansion joints, and corrugated metal hoses are manufactured in accordance with advanced domestic and international industry standards, including GB/T 12777, GB/T 12522, GB/T 14525, as well as those of the EJMA (Expansion Joint Manufacturers Association). These products feature stable performance, high reliability, and an extended service life, earning the company a strong reputation for quality in the market.

Quality Management System Certification Certificate

Quality Management System Certification Certificate

Occupational Health and Safety Management System Certification Certificate

Occupational Health and Safety Management System Certification Certificate

Environmental Management System Certification Certificate

Environmental Management System Certification Certificate

Annual Confirmation Notice

Annual Confirmation Notice

Annual Confirmation Notice

Annual Confirmation Notice

Clean Production Management System Certification Certificate

Clean Production Management System Certification Certificate

Energy Management System Certification Certificate

Energy Management System Certification Certificate

Product Carbon Footprint Management System Certification Certificate

Product Carbon Footprint Management System Certification Certificate

Green Supply Chain Management System Certification Certificate

Green Supply Chain Management System Certification Certificate

Green Factory Management System Certification Certificate

Green Factory Management System Certification Certificate

Business license

Business license

Pressure Piping Component License

Pressure Piping Component License

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