... Opp/ Blister 8 Cetificate Pass SGS , AOVAbout US:Dongguan Hao Sheng Silicone Products Co.Ltd was founded in 2003. We mainly produce ... in manufacturing silicone bracelets, rubber keychains,silicone watches, silicone cases,silicone key chain, silicone swimming caps, silicone kitchen ware,silicone gifts,and ...