Shenzhen Zhengyi Electronic Equipment Co., Ltd., established in Baoan, Shenzhen in 2011, is a high-tech company specializing in the R & D, production and sales of process quality measurement and control equipment. The company has a high-quality R & D team, professional sales team, perfect after-sales system. Our company's products have complete and independent intellectual property rights and invention patents. We have production, sales and service bases in South China and East China.