Certificate
ISO certifications, Eco Vadis certificate, China National Practical New-type Patents; Factory of Safety Standardization; Environmental Assessment and certification of Shandong Environmental Protection Department; Excellent supplier of rubber hose and conveyor belts industry in China; Jining Steel Wire Rope Engineering Research Center for Conveyor Belt; has obtained 24 patents, including nine invention patents (four are under authorization), and fifteen utility model patents (three are under authorization).
