Shenzhen Dahe Industrial Co., Ltd. e thehiloe ka Phupu 2003, ntlo-kholo ea eona e Shenzhen, ke e 'ngoe ea bahlahisi ba pele ba li-screw tse ichekelang Chaena, e 'ngoe ea baetsi ba litsebi ba li-screw tse ichekelang le tse tapang Chaena, 'me ke moetsi oa pele oa mohala oa kopano o ikemetseng oa ts'ebetso e felletseng indastering ea li-screw tse ichekelang Chaena. Ke projeke ea bohlokoa le projeke ea tekanyetso Chaena. Hona joale e se e fetohile moetsi oa li-screw tse ichekelang tse bohlale ka ho fetisisa, tse hlahisoang ka ho fetisisa, le tse tsoetseng pele ka ho fetisisa tsa theknoloji Chaena.