Buying direct from the manufacturer? Shree TNB Polymers is an ISO 9001:2015 and ISO 14001:2015 certified company based in Silvassa, supplying customers across India. Available range: HDPE/PE pipes, PE/PP liner pipes and DWC pipes PVC pipes, fittings and ball valves Drip irrigation systems, micro sprinklers and foggers Screen, disc and hydrocyclone filters Venturi injectors and fertilizer tanks PP, HDPE and HIPS sheets