Name: Certificate of Works Approval
Certificate No: BJW01010032
Range: Seamless steel pipes.
Reference: Issued by the China Classification Society.

Name: Certificate of Works Approval
Certificate No: AMM-1957
Range: Seamless steel pipes.
Reference: Issued by the DNV.

Name: ISO9001 Certificate
Certificate No: 3400/97946
Range: Manufacture of seamless steel tubes of carbon steel, stainless steel and alloy steel.
Reference: Issued by the China Quality Certification Center.

Name: CCC Certificate
Certificate No: 2004010703135345
Range: Free-standing package air conditioners.
Reference: Issued by the China Quality Certification Center.

Name: CCC Certificate
Certificate No: 2004010703135348
Range: Wall-mounted air conditioners.
Reference: Issued by the China Quality Certification Center.

Name: ISO9001 Certificate
Certificate No: 3400/97945
Range: Design, production and service of air conditioners, plastic injection appliances for washing machines, air conditioners, refrigerators and automobiles.
Reference: Issued by the China Quality Certification Center.

Name: VDE Certificate
Certificate No: 40009425
Range: Electro-magnetic 4-way directional control valves for air conditioners.
Reference: Issued by the German VDE Certification.

Name: CQC Certificate
Certificate No: CQC03002003349
Range: Electro-magnetic 4-way directional control valve for air conditioner
Reference: Issued by the China Quality Certification Center.

Name: TUV Certificate
Certificate No: B010844665001
Range: 4-way electromagnetic valves for air conditioners.
Reference: Issued by the TUV Product Service GmbH.

Name: CE Certificate
Certificate No: N8010844665002
Range: 4-way electromagnetic valves for air conditioners.
Reference: Issued by the TUV Product Service GmbH.

Name: ISO9001 Certificate
Certificate No: 3400/20004521
Range: Production of 4-way reversing valves and electric magnetic valves; production, design and service of wires combination and tubes combination.
Reference: Issued by the China Quality Certification Center.

Name: UL Certificate
Certificate No: MH27995
Range: Electro-magnetic 4-way directional control valves for air conditioners.
Reference: Issued by the Underwriters Laboratories Inc.