SHENZHEN WEIANSHI KEJI CO,.LTD. was founded in 2000 .it is an high-tech security enterprise with research and development ,production and distribution . the enterprise insist on human , intelligentize, series for the develop way . relay on the world high-tech . take full advantage of area information , Logistics .It develop and produce independently Twida security products system . SHENZHEN WEIANSHI KEJI CO,.LTD. has independent knowledge property right core Technology ..with Twida brand . outstanding team organise. Powerful sell network and perfect service system . the production not only has steady ,broad domestic marketing ,but also extend to the Europe America and Middle East . SHENZHEN WEIANSHI KEJI CO,.LTD. has got ISO9001 ,CE and many correlative quality system certificate . it is prestigious in the security line .it gets customer's recognition .Be a good OEM partner with the client from the whole world The developmental target of SHENZHEN WEIANSHI KEJI CO,.LTD. is : make the best of Tech ,market and capital ,base itself upon the world . The tenet of SHENZHEN WEIANSHI KEJI CO,.LTD. is :pursue eximious quality ,to keep one-up Tech ,do our best to service customer .Make great efforts to develop the company be a top-ranking security enterprise .to supply the optimal security products for all of customers .