Dongguan Jiankelong Hardware Co., Ltd e motuhake ana i nga hua kowiri tira kei roto i te Waiata bo tang Ahumahi Rohe o Changping Town, Dongguan City, Guangdong Province.He tino watea te waka, he tata ki te tauranga o Shenzhen.Ko ta matou wheketere e hipoki ana i te 25,000 mita tapawha, A ko tetahi atu tipu 30,000 mita tapawha kei te hanga.Ko ta matou tipu he awheawhe miihini, he awheawhe whakahiato hua kowiri tira, he awheawhe pereti konganuku, he awheawhe whakahiato rūnanga kowiri tira, me te awheawhe hangahanga kowiri tira.