Goldcard Smart Group Co., Ltd. was founded in 1997 with a registered capital of 235 million yuan. It is the first listed company in the smart gas meter industry in China, stock code is 300349.We provide smart gas total solution, covering smart gas meters, billing system, end user App, gas pipeline project management software etc. As the leading smart gas overall solution provider in China, with 20 years of remarkable development, Goldcard has become one of the leading enterprises in the smart gas meter industry under the major gas companies' strong support. At present the Goldcard products and solutions have been applied to more than 700 cities in China, more than 1,000 gas companies and more than 20 million households. Goldcard has been adhering to the concept of "core technology innovation and keep improving", uses the advanced automated manufacturing equipment, lean production management and quality information traceability system to create high-quality products. Currently, the company has more than 300 property rights and patents. Meanwhile, Goldcard constantly conducts the integration of upstream and downstream energy industry, and actively expands the clean energy industry. The company is committed to providing integrated smart energy solutions for users worldwide.