chemical trademarks belong to the seventh category of trademarks under trademark classification. Under the group of 732, the local subdivision project has 732 group. Equipment for petroleum exploitation and refining industry: drilling device (floating or not) 7462, oil refining machine 7498? Machinery and equipment for petroleum exploitation and refining industries C7236, petrochemical equipment C7237, oil drilling rig C7238, special mud pump C7239 for petroleum, well washer C724, well tractor C7241 and special oil pump C7242. 1. Chemical trademark transfer fee: the official fee is 1 yuan. If you need to transfer the trademark of walking stick, you can contact Bajie. 2. The trademark transfer process includes: application? Accept? Review? Announcement? Issue the transfer certificate. 3. Recommended transfer of chemical trademarks: trademark classification: Class 7 machinery and equipment trademark type: combined trademark name: full use of goods or services: household soymilk machine; Packaging machine; Mixer; Electric machine for kitchen; Washing machine; Electric machinery for food production; Electric beverage making machine; Dumpling machine; Bean sprout machine; vacuum cleaner