solar vacuum tube silicon seal ring
advantage 1 perfect quality 2 thermostability 3 anticorrosion 4 the size could customized to request
1) matierials are in line with the internation standard, the modles are accurate & professional.
2) very good founction of protecting water leaking out
3) Thermostability, anticorrosion. long life for more than 10 years.
4) OEM, ODM service
solar vacuum tube silicon seal ring
