???Qingdao Deruixin Environmental Protection Technology Co., LTD (Previously named Qingdao Kaibote Rubber Additives co., LTD),deals in carbon black production and pyrolytic carbon black equipment R&D ,Company has a complete and scientific quality management system, in the process of producing carbon black,we try to develop new renewable carbon black production equipment continuously.
?Our main products include:
Rubber carbon black :N220?N234?N326?N330?N339?N375?N550?N660?N774 etc.