Established in 1996, Quansheng Electronics Co., Ltd. is a professional manufacturer of interphones, integrating research, development, production and sale. Our company has facilities covering an area of more than 5,000 square meters, and has a staff of more than 200 persons.  We have built up a strong OEM capability, and have a monthly output exceeding 50,000 products. Our company imported advanced assembly lines, testing equipment and excellent management system, which has been certified by ISO9001 certification.  With strong technical force, we have a highly trained R&D team, and dedicate to researching and developing products to meet the demands of the rapidly changing market. Moreover, we possess our own design developing center, which can provide all kinds of outward designs you need. We always pursue reliable quality and aim at providing customers excellent after-sales service, which makes us gain a high reputation among clients internationally.