Our company is a Holding one, composed by NGV cylinders and kits manufacturers, respectively. 1- The kit is already ISO 15.500 certified standard.More details (specifications, catalogs, composition, standard certificates, etc), will be sent moreover if you are willing to procede.2- The cylinders are currently certified under IRAM 2526, NZ 5454, ISO 9809 part 1 and ISO 11.439 standard.The following is the range of products:232 mm in 20/22/25/28/30 WL.244 mm in 30/34/38/50/60 WL.273 mm in 40/45/50/60 WL.323 mm in 50/55/58/60/65/80/90/100/120/130 WL.355 mm in 65/70/75/80/90/100 WL.I hope you may find this information as a real and outstanding business opportunity.