Jiangxi Provincial Safety Production Supervision Administration: Your Board "on KJ type" mine "hoist whether as metal and nonmetal underground mines to enhance the material with a main hoist winch referrals" (Gan Ann regulatory word [2009] No. 184) has been received. After research, the reply is as follows: 1. In accordance with the Notice of the State Administration of Safety Supervision on the Administration of Safety Labels for Mining Products in Metals and Non-Metallic Mines (Safety General Planning Word [2005] No. 83), metal non-metallic underground mine mining hoist winches have been included in the safety The mark management catalogue must be produced, sold and used only after obtaining the safety mark of the mining product. 2. The metal non-metallic underground mine mining hoist winch manufacturer shall apply for the safety mark of the mining product, and shall follow the notice of the 11th safety mark management document issued by the former State Administration of Safety Supervision on the publication of the "Safety Mark Application Procedure for Mining Products". (Regulations of Safety Regulations [2004] No. 107) are implemented. 3. The “Guiding Opinions of the State Administration of Work Safety on Further Strengthening the Safety Foundation Work of Small and Medium-Sized Metal Non-Metallic Mines (Tail Mines)†(Safety Supervision General Manager No. [2009] No. 44) clearly prohibits the use of belts. The hoisting winch of the brake is used as the main lifting equipment. The modified KJ series "mine" hoist winch adopts the manual brake of the belt brake and cannot be used as the main hoisting crane for metal non-metallic underground mines. General Office of the State Administration of Work Safety Quartz crucible Acrylic Weld BOPS heat shrinkable film Carbon fiber helmet are special material. Their grinding processing at present are manual, the force imposing on the Grinder is not consistent, most are based on technician experience or technique. Our Force Control System can flexible control the force imposing on the grinder, quick response to the surface changing, and instant adjusting the force on the grinder. Quartz crucible DFC,Acrylic DFC System,Weld DFC,BOPS heat shrinkable film DFC,Carbon fiber helmet DFC DARU Technology (Suzhou) Co., Ltd. , https://www.szactivecontactflange.com