Certificates

Utility Model Patent — Precision Pump Drive
Protected drive-and-pump-head integration design enabling compact, high-accuracy fluid-control modules.

Invention Patent — Magnetic Drive Gear Pump
Patented leak-free magnetic coupling structure that underpins the reliability of the MPB micro gear pump series.

RoHS Compliance Certificate
Verified restriction of hazardous substances, ensuring our pumps and drives meet international environmental standards.

CE Conformity Certificate
Declaration of conformity with EU health, safety and environmental protection requirements for export markets.

ISO 9001:2015 Quality Management System
Certified quality management across design, machining, assembly and inspection for consistent, traceable product quality.

National High-Tech Enterprise Certificate
Official recognition of Chenhui's independent R&D capability in micro magnetic gear pumps and precision fluid-control systems.