The N500 gas permeation analyzer is designed and manufactured according to the GB1038 ASTMD1434 ISO2556 ISO 15105-1 JISK7126-A YBB 00082003 specifications. It adopts the principle of the differential....
We are a Hong Kong company, and have three manufactuers in Guangdong Province, China: 1). Candle Factory to make and supply candles, craft candles and gift candles; 2). Machine & Ironware Factory....