the company's products have obtained coal safety, explosion-proof, metering and other certificates, some of which have obtained patents, and the product quality has been guaranteed; The company in 2017 Year 1 The latest version of iso9001:2015 The quality management system certification has further improved the quality control system and the modern management of the enterprise

after decades of continuous improvement, the company has accumulated a lot of production and R & D experience and formed an efficient service team. The company sincerely hopes to provide excellent quality, reasonable price and good service for the majority of new and old customers and friends, and establish an honest, friendly, long-term and stable cooperative relationship