凯时国际-凯时体育-凯时娱乐 > about jingjing > qualifications
patent certificate (a pipeline anti-freezing device)
patent certificate (anti-freeze and anti-backflow valve)
patent certificate (fixed device for repairing stop valve seat)
patent certificate (device for improving transparency of frozen dried sterile active pharmaceutical ingredients)
patent certificate (filter device for membrane equipment with recycle and waste discharge functions)
patent certificate (method for producing solid drink containing d-glutamate)
patent certificate (method for producing distilled amino acid containing d-glutamate)
patent certificate (method for producing mushroom nutrition liquid using fermentation method)
patent certificate (method for producing feed additive containing protein-rich amino acid biomass)
patent certificate (method for preparing feed additive containing amino acid fermentation mycelium secondary fermentation)
patent certificate (ion exchange column)
patent certificate (ammonium salt of amino acid production concentrate system condensate recovery device)