Glycol antifreeze _ Wei Connaught Chemical (certified) _ Jining glycol provided by Connaught Chemical Co., Ltd. Qingdao Wei. Qingdao Wei Connaught Chemical Co. (www.qdweinuo.com) is specialized in the "phenol, aniline, ethylene, n-butanol, isobutanol, n-propanol, isopropanol, methanol," the business, the company adhering to the "integrity business, hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Feng Zhongying. Wei Connaught glycol mainly used for making polyester polyester, polyester resin, industrial grade ethylene glycol hygroscopic agent, plasticizer, ethylene glycol, surfactants, synthetic fibers, cosmetics, and used as solvent dyes, inks, etc., preservatives formulated engine antifreeze glycol gas dehydration agent, production of the resin, can also be used for cellophane, fibers, leather, adhesives, wetting agents. Qingdao-ethylene glycol promise: production methods edit acetone production methods are isopropyl alcohol method, cumene method [10], fermentation, acetylene hydration [11] and the direct oxidation of propylene. Acetone world industrial production to cumene based. Two-thirds of the world is a byproduct of the production of phenol acetone, cumene oxidation is one of the products after. Traditional system of law acetone production methods more. The old method is to use lime and wood distillation resulting wood vinegar, made of calcium acetate, and then by thermal decomposition prepared acetone.