Ref: Self Certification of Nanjing Yalong Petrochemical Equipment Technology Co., Ltd as API 674 3rd edition pump manufacturer

Dear Sirs,

With the following letter Nanjing Yalong Petrochemical Equipment Technology Co., Ltd, for the plunger pump packages, certify that the pumping units are designed, manufactured and tested fully in compliance with API 674   3rd   Edition.

API committee is not releasing an API 674 certificate to the Manufacturer, however, we are pleased to invite your esteemed Company to visit our plant and products in Nanjing, Jiangsu, China, to attest that the all the plunger pumps are strictly built following the 674 code and guidelines.