... unique anti shedding design avoids the easy loss of screws. 2. Seal ring The reinforced sealing reinforcement made of polyamic acid material is highly corrosion-resistant, waterproof and durable. 3. Installation column The internal terminal nut and the
... unique anti shedding design avoids the easy loss of screws. 2. Seal ring The reinforced sealing reinforcement made of polyamic acid material is highly corrosion-resistant, waterproof and durable. 3. Installation column The internal terminal nut and the more