Yasekwa ngo-1999, Qisheng ngoku imisimelelo phezu 200 kunye uthotho imveliso phambili, uvavanyo kunye nezixhobo elebhu. Iimveliso zethu eziphambili ziquka ithumbu yerabha ye-extrusion, umbhobho werabha yokubumba, umbhobho we-silicone, umbhobho we-fluorosilicone kunye nezinye iimveliso zothotho, ezisetyenziswa ngokubanzi kwicandelo leelori, iibhasi, iimoto zabakhweli, izithuthi zobunjineli, izithuthi zezolimo, izithuthi zomkhosi njl.