Solicitações De Setor De Energia

Kindly send me details for solar vacuum pipe different types and sizes

hot water solar system Please can y send me the the specification and the the capacity of hot water vacuum tub solar system with price for each unit

i want to buy solar vacuum tubes size 1800/58 i need like 50 piece for my solar

Solar vaccum tube we want

looking for solar vacuum tube.

I want to know the prices Tube sec sous vidéo

Can you explain about solar vaccume tube

We want do cooperation with your co to long time by the way want list price for vacuum tube high presser if you would sent data sheet with price