website:https://www.jhmindustry.com/
Shanghai Jian & Mei Industry and Trade Co., Ltd. is the company which manufacture and export fasteners and metal hardware, founded in 2006, with import-export authority. Now, 80% products export to all over the world and 20% sell in domestic market.
Make sure to shut off the main water supply before doing this repair.
Do it yourself replacement of a faulty shut off valve to a toilet. Valve is connected to a 1/2″ copper supply line.