Ningbo Zhonghuan Electronic Technology Company is a experienced manufacture and exporter of the light bends down the module connecting boxes and the couplings.It is engaged in the development and manufactures.The product variety is complete ,the specification coven 5--300w,they are suitable in the solar cell plate combination connection.The products of the company have excellent quality. They have already been passed Germany's TUV and solar energy correlation quality standard of security authentication,and have used by many domestic large-scale solar energy module factories. The company has provided the foreign user's high praise .The factory works strictly according to the ISO9001 quality controled system movement,it raise the technology icad level and the product quality unceasingly to adapt the demand by the market,which requests the environmental protection,the energy conservation.