Beijing JWGB Sci & Tech Co., Ltd., is a premier hi-tech manufacturer, specialized in surface area and pore size analyze, nitrogen adsorption specific surface area and pore size distribution analyzer. During the past decade, JWGB has carried out research, development and innovation devotedly in specific surface area characterization. 010-63326024 QQ:251702314 021-52821181, 52657506 13816610399 021-52657506 JWGB is the leading company in Chinese market in term of brand name, sales volume and, more importantly, qualities. Boasting the No.1 sales volume here in China, we spare no efforts on R&D each year. Our quality is comparable or even better than American brands like Quantachrome and Micromeritics. Customers include top universities, various industries and research centers, etc. Our products have been sold to Europe, like Poland, South Africa, and many other Asian countries. Right now, we are selling products in Japan, and response from market there is very encouraging. This is further verifying our quality is superior and acceptable. Quality products, much lower price and worry-free sales service, that is us, JWGB. Email: ***** , ***** Please feel free to contact me if you have any questions about us and our products. Looking forward to cooperating and serving you in the near future.