I-Hainan Huayan I-collagenayiboneleli kuphela i-collagen ye-collageniges i-DLUGEN, sikwabonelela ngenkonzo ye-OEM / ye-ODM. Iimveliso zethu zinokusetyenziswa ngokubanzi kwisiselo somlomo, esongezelelo sokutya sesondlo, iimveliso zobuhle, njl.