Donsen nwere ogologo akụkọ ihe mere eme na ọ bụ ọkachamara na-emepụta ọkpọkọ, akwa akwa na valves. Donsen e hiwere na 1996, nke dị na Ningbo, China, nke bụ akụ na ụba mepere emepe na obodo njem dị mma. Donsen bụ otu n'ime ndị na-emepụta ihe nwere usoro ngwaahịa zuru oke na mpaghara ọkpọkọ plastik na China.

Ka ọ dị ugbu a, otu Donsen na-emepụta usoro valvụ: valvụ PPR, valvụ PVC, valvụ CPVC, PE valvụ na ụdị valvụ ọla kọpa ndị ọzọ; Usoro mmiri na-enye ụlọ: PPR ọkpọkọ ọkpọkọ, PPR ngwa ngwa ịkwanye akwa akwa, PPR ọla kọpa plastic ọkpọkọ ọkpọkọ, wdg. Ụlọ drainage usoro: PVC ọkpọkọ ọkpọkọ, HDPE ọkpọkọ oyiyi akwa na na; Industrial mmiri ọkọnọ usoro: PE ọkpọkọ oyiyi akwa, etc.Civil ọkụ nchebe usoro: CPVC ọkpọkọ oyiyi akwa, etc.Agricultural mmiri na-azọpụta ogbugba mmiri n'ubi: PP mkpakọ ọkpọkọ oyiyi akwa, PE ọkpọkọ oyiyi akwa, etc.Floor kpo oku usoro: PERT n'ala kpo oku ọkpọkọ, mmiri nkesa, etc.Our ụlọ ọrụ nwekwara plastic ebu n'ichepụta: PPR ọkpọkọ ebu, m PP plastic ebu n'ichepụta: PVC ọkpọkọ ebu, m. N'otu oge ahụ, anyị ka nwere ụfọdụ usoro valvụ a ga-emepụta: usoro ihe eji eme ihe nkedo nke America, usoro ihe eji eme ihe nkedo PVC nke Japan, DIN ọkọlọtọ PVC ọkpọkọ usoro na ihe ndị ọzọ. A na-eji ngwaahịa anyị eme ihe n'ọtụtụ ebe na mmiri mmiri obodo, nkwụsị ụlọ, mmiri na-ekpo ọkụ na ọkụ, ihe ịchọ mma ụlọ na ubi ubi, ubi ugbo na ubi ndị ọzọ.

Iji mee ka ezinụlọ na-eji na gburugburu ebe obibi àgwà nke ọkpọkọ ngwaahịa, Donsen ịmụta dị elu àgwà akụrụngwa na-emepụta ngwaahịa, iji hụ na ngwaahịa àgwà, Donsen-ewebata mba elu elu mgbidi aluminum mejupụtara ọkpọkọ mmepụta akara, dị ka fiberglass mmepụta akara, PPR brass na plastic mmepụta akara, okpukpu abụọ nke oru oma mmepụta akara wdg Kpamkpam 9 elu ọkpọkọ eriri na ihe karịrị 70 zuru kọmputa na-achịkwa n'ibu usoro injectionph, otú ahụ ka 70 zuru ezu kọmputa na-achịkwa usoro injectionph. arụ ọrụ kama akwụkwọ ntuziaka iji mee ka mmepụta Donsen dịkwuo nchebe, nke ziri ezi na ọkachamara. Iji nweta ogo 100% dị elu, Donsen nwere njikwa siri ike & nyocha maka nyocha ihe na-abata, nyocha usoro, nyocha mbupu, iji hụ na ngwaahịa kacha mma.

Ka ọ dị ugbu a, Donsen nwere atọ nnukwu ọkpọkọ & akwa mmepụta mmepụta ụlọ mmepụta ihe, otu ebu factory, na ọzọ otu ọhụrụ ụdị akpaghị aka mmepụta isi, Donsen factory nwere ihe karịrị 70000 square ogbako, ihe karịrị 700 ọrụ na otu pụtara ìhè oru & management otu , nke a otu nkezi afọ n'okpuru 35 afọ, nwere vitality, ọhụrụ na ike, ha nwere ike na-enye ndị ahịa na àgwà nke ọma. Isi ụlọ ọrụ Donsen (Ụlọ ọrụ mmepụta ihe) na-arụpụtakarị ọkpọkọ PPR, akwa ọkpọkọ PE na ngwaahịa mmiri ndị ọzọ na ụdị valvụ niile. Ụlọ ọrụ B na-emepụta ihe ntinye ọkpọkọ PVC, akwa ọkpọkọ HDPE na ngwaahịa mmiri mmiri ndị ọzọ; Ụlọ ọrụ C na-emepụtakarị ihe nrụnye ọkpọkọ PP na ngwaahịa mmiri ndị ọzọ na-echekwa mmiri nke ugbo. Ụlọ ọrụ na-emepụta ihe bụ isi maka ịmepụta ụdị ọkpọkọ ọ bụla na ụlọ ọrụ ọhụrụ ahụ ga-agbasawanye mmepụta nke ọkpọkọ ọkpọkọ anyị, valves, ọkpọkọ.

Ka ọ dị ugbu a, ụlọ ọrụ ahụ agafeela asambodo CE nke European Union. Asambodo NSF na USA; Asambodo SABS na South Africa; Asambodo GOST na Russia; Asambodo WRAS na England, asambodo SIAA na Japan; Asambodo SKZ nke Germany na asambodo ndị ọzọ.

A na-ebupụ ngwaahịa anyị na mba 100 n'ụwa, dị ka Russia, Ukraine, France, Italy, Mexico, Middle East, Europe, South America, Asia, wdg. Ndị ahịa anyị gụnyere ụlọ ọrụ azụmahịa nke mba ofesi, yana ndị na-ebubata na ndị na-azụ ahịa na mba ofesi, bụ ndị ahịa anyị bụ isi. Ka ọ dị ugbu a, enwere ndị nnọchi anya ngwaahịa usoro akara akara Donsen na mba niile n'ụwa. DONSEN ga-eji obi gị dum jeere gị ozi ma na-achọ ndị nnọchi anya.