A Batch of YD300 Portable Water Hardness Meterof China Coal Group Sent to

Tags: Portable Water Hardness Meter Delivery
In the afternoon of October 18, a batch of YD300 Portable Water Hardness Meterindependently developed and produced by China Coal Group Machinery Co., Ltd. was inspected and loaded and shipped to a mine in Xuanwei, Yunnan. As a hot-selling product of our group, the single hydraulic prop product has been widely praised by domestic and foreign customers since it was put into the market. At present, the 27 series of hydraulic prop products produced by our group have obtained the national mining product safety mark certification. The market sales are very good.


The single hydraulic prop is a constant-resistance single hydraulic prop that is externally supplied with liquid. It is an auxiliary equipment for high-grade mechanized general mining face and a terminal support device for fully mechanized mining face. The YD300 Portable Water Hardness Meterproduced by our group have the advantages of high working resistance, light weight, long service life, large working stroke, low cost of use, convenient operation, wide application range and good stability. They have established a good reputation in the industry. Welcome the majority of new and old customers come to visit the group!



As a large-scale enterprise with cross-industry and diversified operations, China Coal Group has been adhering to the development concept of “Reputation is the quality of life for survival” for many years. More than 10,000 kinds of equipments for production and sales are sold in 151 countries and regions around the world, and China Coal  brand has been launched at home and abroad. Excellent product quality and perfect after-sales service are widely recognized by domestic and foreign customers! In the future, we will continue to carry forward the spirit of scientific and technological innovation, produce more high-quality, high-tech products, and return new and old customers all over the world with better products and sincere service!