Install central air conditioner, designing and assembling shockproof or noiseproof system engineering. Our products are suitable for architecture, industry, house, commerce, traffic and so on, including Vntilative Muffler, Noise Eliminated Shutter, Soundproof Door, Soundproof Air Conditioner, Soundproof Fan, Soundproof Protective Screen, Sound Insu

Urgently looking for the following enviromental protection equipment from manufacturers / distributers / traders local and abroad : 1 ) Automatic Potentiometric Titrimeter - 1 set 2 ) Noise level analyzer - 5 sets 3 ) Sound level meter - 1 set 4 ) Soil auger and sampling kits - 1 set