Letter patent
Dongke fine invention patent certificate, Dongke New Energy invention patent certificate, Dongke New energy utility model patent certificate, utility model patent certificate
Dongke fine invention patent certificate
—— A preparation method of monomer polyether for high-efficient polycarboxylic acid water reducing agent
—— a synthesis method of bisphenol A polyoxyethylene ether modified amino sulfonate water reducing agent
—— a preparation method for synthetic polycarboxylic acid water reducing agent
Certificate No.4835506 Invention Patent Certificate
—— A preparation method for large lipid monomer for ultra-slow condensed carboxylic acid water reducing agent
Certificate No.5181647 Invention Patent Certificate
—— A preparation method for high performance polycarboxylic acid
Dongke New Energy invention patent certificate
—— A supramolecular salt catalyst for synthetic carbonate and its preparation method
—— A column [5] aromatic hydrocarbon ionic liquid catalyst based on proylimidazole functional group and its preparation method invention patent certificate
Dongke new energy utility model patent certificate
—— a high purity battery grade vinyl carbonate purification heating device
—— A crystallization device for high purity battery grade vinyl carbonate
—— A reaction device for the production and processing of high-purity methoxamine hydrochloride
Certificate No.15491301 Practical model Patent Certificate
—— A screening device for the production and processing of high-purity methoxamine hydrochloride
Certificate No.15270661 utility model Patent Certificate
—— A purification device in the production of high quality octanoxyl glycerolA purification device in the production of high quality octanoxyl glycerol
Certificate No.15102550 utility model Patent Certificate
—— A liquid lamination device for the preparation of high-quality octyliglycerol
Certificate No.15270699 Practical Model Patent Certificate
—— A filter device for the production of vinyl carbonate
Certificate No.15260933 utility model Patent Certificate
—— A residual material recovery device for vinyl carbonate production device kettle
Certificate No.15273904 Practical model Patent Certificate
—— A separation device for high purity battery grade vinyl carbonate purification
Practical model patent certificate
—— An esterification reaction device for synthesis of a water reducing monomer of a polycarboxylic acid system
—— A monomer catalyst feeding device for polycarboxylic acid water reducing agent
—— A device for recycling an electrolyte from waste lithium batteries
Certificate No.11876620 utility model Patent Certificate
—— A reactor producing a polycarboxylic acid water-reducing agent
Certificate No.11876719 Practical model Patent Certificate
—— A manufacturing device with a quantitative function for the production of a polycarboxylic acid water-reducing agent
Certificate No.11886078 utility model Patent Certificate
—— A treatment device for washing bucket wastewater of lithium battery electrolyte
Certificate No.12110364 utility model Patent Certificate
—— A polycarboxylic acid water-reducing agent cooling device
Certificate No.12110365 utility model Patent Certificate
—— A convenient cleaning device for the production of lithium battery electrolyte
Certificate No.15280051 utility model Patent Certificate
—— A reactor for processing a polycarboxylic acid water reducing agent
Certificate No.15264066 utility model Patent Certificate
—— A convenient feeding device for polycarboxylic acid water-reducing agent monomer production
Certificate No.15257357 utility model Patent Certificate
—— A polycarboxylic acid water reducing agent monomer production deffoaming unit
Certificate No.15257835 utility model Patent Certificate
—— A packaging device for processing a polycarboxylic acid water-reducing agent
Certificate No.15270330 utility model Patent Certificate
—— A hybrid device of lithium battery electrolyte solvent
Certificate No.15941829 utility model patent certificate
—— a lithium battery automatic injection equipment certificate for the processing of electrolyte solvent
Certificate No.15262927 utility model patent certificate
—— a lithium battery electrolyte solvent dehydration and miscellaneous molecular screening device
Certificate No.13619703 utility model Patent Certificate
—— A storage device for producing a polycarboxylic acid water-reducing agent
Certificate No.15270329 Practical model Patent Certificate
—— A conveying device for the production of polycarboxylic acid water reducing agent
Certificate No.15260937 utility model Patent Certificate
—— a material screening device used for polycarboxylic acid water reducer monomer production
Certificate No.16111284 utility model Patent Certificate
—— A storage device for a polycarboxylic acid water-reducing agent
Certificate No.15281778 utility model Patent Certificate
—— A heating device used for the production of lithium battery electrolyte solvent
Address: Dongke Street, High-tech Industrial Park, Fushun City, Liaoning Province
www.xiaozhichina.com
Tel：0311-89928810
Fax：0311-87671055
Copyright: Dongke Group 冀ICP备2020027846号
0311-89928810
lx@xiaozhichina.com
