| honing | Purify land spray lacquer | metal surface treatment |
| Purify land ablution | Purify land brightening | Purify land nitridation |
| purify land adduction | metal surface treatment chemicals | Purify land colour press |
| Purify land pretreatment | knurl | Parkerizing technology |
| Purify land Ablution technology | Purify land brightening technology | Purify land color printing Device |
| Sanding metal surface treatment | Liquid metal land cinder | Purify land Heat spraying technology |
| Purify land translate webbing technology | Hongchen Purify land craft Corporation Ltd. | anodised |
| phosphating | Shanghai Glory Zuoyou Metal surface treatment stuff Corporation Ltd. | Hai ning Ketaike Purify land technology Corporation Ltd. |
| Junengxing Ultrasound can Purify land Guangzheng System | Shanghai shine Metal surface treatment Corporation Ltd. | model High-quality, high-yield, cost-effective, eco-friendly and safe agriculture Wuchen Corundum Jet purify surface treating machine |
| Shenzhen (city in china) Yalian Metal surface treatment technology Corporation Ltd. | Lanzhou sky clear summer sky Metal surface treatment Corporation Ltd. | Lanzhou double star Purify land engineering Corporation ltd. |
| Lanzhou Shenhua Metal surface treatment engineering Corporation Ltd. | |