Specialized, Refined, Distinctive, and Innovative “Little Giant” Enterprises

County-level specialized industrial cluster enterprises in Hebei Province

Hebei Province Science and Technology Achievement Certificate

High-Tech Enterprise Certificate

2022 Provincial-Level Manufacturing Single-Champion Product

Safety Production License

Intellectual Property Management System Certification Certificate

Standard Development Certificate

An operational method for a polyurethane insulation-layer spraying system used in thermal insulation pipes.

A welding device for the ends of insulated pipes and its operating method

Coating Finishing Device for Insulation Pipe Production Line

A pipe‑threading device and method for insulated pipe elbows

Hot-melt socket plastic plate butt welder

High-seal seamless heat-melt sleeve, and its manufacturing and application methods

Copy of the Patent Register

A hot-melt sleeve forming device

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