OSCG Since November 1983. OSCG was established in 1983, and we have been specialized in Ex cable gland and junction box.We provide our cable gland and junction box with competitiveness, clients' satisfaction and requirements to many projects in the world. We have ISO 9001, 14001 and OHSAS 18001 and we are certified by Presafe IECEx, ATEX, TR CU and KCs explosion proof certificates.We are commited to enhancing customers easy and comfortable use on our products and keep making contribution for technology improvement and innovation.