ʻO Yongkang Dashuya ka mea kūikawā i ka R&D, ka hana ʻana a me ke kūʻai aku ʻana i nā tumblers stainless steel, nā kīʻaha, nā kīʻaha, nā hue wai a pēlā aku.Hoʻopili ka laina huahana ma mua o 100 mau hiʻohiʻona e like me ka mug huakaʻi, tumbler me ka mauʻu, kīʻaha kope, ʻōmole thermo.
Loaʻa nā noi i ka meaʻai a me ka inu, ka lumi kuke, nā makana, ka mākaʻikaʻi, nā hana NPO, ka naʻauao hana, ka hoʻolaha, ka Home & Garden a me nā ʻoihana ʻē aʻe.Ua loaʻa i kekahi mau huahana a me nā ʻenehana nā patent aupuni a me nā kope kope polokalamu, a loaʻa iā CE a me FDA ka ʻae.