| QUALITY CONTROL SYSTEM. | ||||||
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| QM: Steel casing raw material Price: $0.00 |
Production : Double layer screen or Pre-packscreen Price: $0.00 |
Product: Industrail screens Price: $0.00 |
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QM: Labeling on Slot opening Price: $0.00 |
QM: Completed Weld ring Price: $0.00 |
QM:Uniqe of quality control of well screen Price: $0.00 |
QM: Packing inspection of Pipe base well screen Price: $0.0 |
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