DMC GAS EQUIPMENT LIMITED, established in Hong Kong in the 1970s, is the earliest professional enterprise in Hong Kong and Macau engaged in the sales and technical services of gas equipment. It acts as an agent for well-known international brands such as AMCO, Algas SDI, Batchen, Blackmer, Honeywell, MS, RegO, and other specialized gas equipment, providing DMC with broad development space. Duomei Shi - a professional service image created by the superior management model of Hong Kong enterprises, has become a major supplier of Hong Kong and China Gas Company since its establishment. With the reform and opening up, branch offices were established in Guangzhou, Beijing, and Shenzhen in the 1990s, becoming pioneers in providing imported gas equipment to mainland China. In order to further seize the domestic market, Guangzhou Domeishi and Domeishi Trading (Shenzhen) Co., Ltd. were successively established. In 2013, the company founded Titanium Cang Machinery Co., Ltd. in Guangzhou. The subsidiary developed based on Domeishi's more than 30 years of accumulated technical expertise, nationwide after-sales service system, and brand advantages in representing internationally renowned gas equipment. Guangzhou Tiancang Machinery Co., Ltd., as a production base, is an industrial and commercial enterprise that integrates research, development, design, and production of pressure regulating boxes and gas transmission and distribution equipment. The company obtained ISO9001:2008 quality system certification in December 2013 and established and improved a management system that includes quality record control, process quality monitoring, product improvement, customer service response, and system improvement. The company has a group of high-quality engineering and technical personnel as well as production technicians. The management team includes senior Hong Kong technical consultants, financial directors, and logistics teams with over 20 years of experience in the gas industry. We constantly strive to improve our quality management system and enhance our core competitiveness.