The Dongguan Dalang Cheng Zhi Feng Trading Firm is an integrated economic entity of R&D, manufacturing and trading all kinds of Gas Analyzers and Consumer electronics, with 150 personnel, 30 technicians and managerial staff members. Workshop covers an area of 1800 square meters, equipped with a complete set of facilities, research and development centers, and production lines of possessing SMT, PCB cards, welding. Through a long time development, we own a national resources system of various professional talents, strong Technological standardization and a complete quality assurance system. We accept clients'OEM or ODM request in manufacturing, scientific research, market development or want to build their own brand in their country. As a True manufacture, Our price is very competitive. 30% of our products are directly exported to Europe, North America, Asia, Australasia, and 30% to China Mainland Trade Companies. 30% products, We sell online stores in China mainland markets. We see the quality of products very seriously, because we have our own online shopping stores in China, we directly contact consumers, so we know what kind of quality they need. During years of manufacturing and trading and selling experience, the quality of our products is mature and stable and got good feedback from clients.