TEL-B ROKEM Tetraethyl Lead Ethyl Liquid Company Profile We, ROKEM, build from 2000 in Shanghai, China. We export the special chemicals to many countries.聽 CEO's Message Tetraethyl lead is one product in the list Rotterdam Convention. We are glad to make corporation with the clients for this product legally. Working Environment Our company is located in Shanghai, China.聽 The office is in...