1. Txhua tus qauv suav nrog cov yeeb nkab roj thiab cov yeeb nkab ua kua.
2. Nrog tooj dag tees.
3. Ua kom tiav thiab tag nrho cov kab brazing los ntawm cov tshuab tsis siv neeg brazing.
4. Tag nrho cov kav tooj liab yog raws li RoHS.
5. Tsis muaj kev pab tu, tsis muaj kev puas tsuaj rau tooj liab.
6. Leak xeem rau txhua lub teeb hauv ntau lawm.
7. Cov yeeb nkab hloov pauv hauv cov ceg yeeb nkab teeb tuaj yeem siv tau zoo vim cov kav dej loj.
8. Thaum lub dimension ntawm sab hauv tsev yeeb nkab connector thiab ceg yeeb nkab yuav tsum tau kho, thov kho cov ceg yeeb nkab connector.
9. Thov teem cov ceg yeeb nkab ntawm kab rov tav lossis ntsug.






















