... C37700, lead -free ,or according to requests 3.size:customized on your request4certification:IS 9001;20005.Surface:yellow brass nut,or ... marketing office is set in Hangzhou city which is called "Heaven on earth"; it is only 3-hours-drive to the factory, and ... , including: elbows, tees, adapters, taps, valves, various nuts and so on. We can also provide customized services according to clients specific ...