YUHUAN DAZHONG COPPER INDUSTRY MFG CO LTD has a total of 11 patent applications. Its first patent ever was published in 2019. It filed its patents most often in China. Its main competitors in its focus markets machine tools, measurement and materials and metallurgy are NINGGUO SOUTHERN WEAR RESISTANT MATERIALS CO LTD, HAINING LIANFENG MAGNET INDUSTRY CO LTD and ANHUI BAIJI ELECTROMECHANICAL TECHNOLOGY CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 11 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Measurement | |
#3 | Materials and metallurgy | |
#4 | Chemical engineering | |
#5 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Metal-working | |
#2 | Cleaning | |
#3 | Analysing materials | |
#4 | Alloys | |
#5 | Metal tempering | |
#6 | Testing of structures | |
#7 | Grinding or polishing devices | |
#8 | Foundry moulding | |
#9 | Venting or aerating devices | |
#10 | Accessories for machine tools |
# | Name | Total Patents |
---|---|---|
#1 | Dong Fuyi | 9 |
#2 | Zhang Zhirong | 2 |
Publication | Filing date | Title |
---|---|---|
CN110385619A | Valve body processing technology for valve production | |
CN110497288A | A kind of ball valve process equipment | |
CN110455912A | A method of for detecting valve body surface dent | |
CN110480060A | A kind of ball valve core process equipment | |
CN110479655A | A kind of valve cleaning device | |
CN110455911A | A kind of valve body defect-detecting equipment | |
CN110376278A | A kind of valve body detection method | |
CN110280982A | A kind of valve manufacture technique | |
CN110328497A | A kind of valve processing method | |
CN110373678A | The valve body processing method of low cost | |
CN110369962A | A kind of production technology of large valve body |