Dongguan Langyi Electronic Technology CO., Ltd Business consulting ：Mr hang 18813688861 Mr meng 13925832184 Mr zhang 18681148702 Technical support ：Mr Xu 13421343027Product Tel：0769-83505971 FAX：0769-81010581 address : 3F，block 7A，Jewelry Culture Industry Park， Shangkeng Village，Changping Town，Dongguan URL：http://www.strgrei.cnhttp://langyimotor.1688.com |
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