| Shanghai Haifei Control Equipment Co., Ltd | 2011-11-02 | Threaded Joint, Parker Hydraulic Filter, Airtac Air Source Processing Component | 5000K CNY | Not Supported |
| Shanghai Zoguan Electric Co., Ltd | 2014-12-04 | Threaded Joint, Cable Accessories, | 5000K CNY | Not Supported |
| Shanghai Heteng Pipe Fitting Co., Ltd | 2014-02-17 | Threaded Joint, National Standard Flange, Loose Flange | 1000K CNY | Supported |
| Dongguan Grete Silicone Products Co., Ltd | 2014-02-25 | Threaded Joint, Teflon Hoses, Quick-Connect Coupling | 5000K CNY | Not Supported |
| Nanming Kunzhi (Dongguan) Technology Co., Ltd | 2026-05-26 | Threaded Joint, Universal Ball Joint, Connecting Hardware | 1000K CNY | Not Supported |
| Yueqing Shenwei Pneumatic Co., Ltd | 2012-02-16 | Threaded Joint, Non Standard Cylinder, Other Pneumatic Components | 10000K CNY | Supported |
| Jiangsu Jinlong Machinery Industry Co., Ltd | 2004-04-07 | Threaded Joint, Stainless Steel Corrugated Expansion Joint, Stainless Steel Metal Hose | 50080K CNY | Supported |
| Hebei Xinbang Rubber Products Co., Ltd | 2018-04-16 | Threaded Joint, Joint, Steel Pipe Assembly | 3000K CNY | Supported |
| Hebei Ankang Hydraulic Technology Co., Ltd | 2025-05-29 | Threaded Joint, Mining Four-Way, U-Clip | 3000K CNY | Not Supported |
| Hebei Zhoutai Pipeline Co., Ltd | 2018-07-16 | Threaded Joint, Manhole Series, Steel Sleeve Steel Insulated Elbow | 3000K CNY | Supported |