LESSO operates in the building material industry, produces various types of pipe and fittings products, including PE water supply, PPR water supply, PVC water supply, PVC drainage, PVC wire pipe and fittings, municipal pipelines, and power communication pipes, etc.
RETURN
Manufacturing standard: GB4351. 1 - 2005 “Portable fire extinguishers - Part 1: Performance and construction”.
Testing standard: GB/t 4351. 3-2005 “Portable fire extinguishers - Part 3 :Regulations”.
Inspection frequency:
1. Storage for 5 years;
2. Pressure Gauge in red zone, or storage for 3 years.
Any situation, the fire extinguisher must be inspected by qualified producer and refilled (2. 1MPa hydraulic teat before refilling).
