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Bo letter Electronics Co., Ltd., Zhongshan City, is located in Zhongshan City, the hometown of a great man, is a professional in HVAC Controls and Building Automation product development, production, sales and service of high-tech enterprises. Since its inception, has been the quality as the survival, the strict implementation of ISO9001: 2000 quality management system, etc.. Our products include various types of central air conditioning thermostat; all kinds of electric two-way valve; electrical control valve; dynamic and static balance valve;

Electric butterfly valve; solenoid valve; centralized control system; air conditioning cost and various hysteresis motor, etc. . The company's product range, supporting strong, not only to provide high quality products, but also to provide a comprehensive solution HVAC engineering, business at home and abroad over. continuous improvement of product quality, perfect service are the company's objectives. With advanced manufacturing equipment, consummate production technology, perfect quality assurance system and modern management to meet the different needs of customers, to ensure that technologies and products always walk in the forefront of the industry. The company has strong R & D strength and excellent experimental platform, has independently developed a smart valve, temperature controller, and various types of special electrical valve hysteresis synchronous motor, each product have been extensive new and old customers recognition. Currently, the company has an annual output of 2 million sets of electric two-way valve, 100 million thermostat; 20,000 sets of electric control valves and 300 million hysteresis motor capacity, and can be customized according to customer requirements and samples of non-standard products.        High-quality professional staff; practical, innovative culture is to provide quality products and first class service guarantee. We welcome sincere cooperation with us at home and abroad, the grand total!