Active Member
7 Years
Qingzhou Yongli Mining and Dredging Machinery Co., Ltd.
Yongli Mining Machinery,Serice The Wholeworld!
Manufacturer from China
Qingzhou Yongli Mining and Dredging Machinery Co., Ltd.
Yongli Mining Machinery,Serice The Wholeworld!
1. Require the supplier to supply with the quality certificate for the steel plates,steel pipe, engines,gearbox,sand pump and all components
2. If the supplier canot deliver the related quality certificate, then we will refuse the raw material or components
3. After we finish the production before shipment,we will do the trial operation to make sure the product under good condition.