HERSHEY | CMP GROUP จำหน่าย ท่อวาล์วฟิตติ้ง ยี่ห้อHERSHEY Hershey Valve Co ,Ltd was established in 1980 and has been manufacturing various thermoplastic valves and UPVC CPVC piping systems for almost 30 years To remain committed producing the highest quality products and providing the best services that far exceed customers’ expectations, Hershey obtains an excellent reputation from its global clients as well as several international certifying