Ningbo neutral group, specializes in producing refrigeration tools, air conditioning parts, bearing, is the first time produced in China has the largest manufacturers and reputation in the refrigeration industry. The main products are central air-conditioned room temperature control system, air conditioning parts and pieces of pipe, neutral cards and all kinds of pneumatic quick coupling vacuum refrigeration, irrigation refrigerant leak chuck with all kinds of fast, electric and pneumatic tools, micro- Small deep groove bearings series. One quick connector type and air conditioning valves class has been the national patent and won the second world international new products and technology exhibition Bronze Award. Enjoy the right to import and export company, products sold domestically and.. (more>>)