Silicone Membrane

Silicone membrane, also known as silicon valve, made of food/ medical grade silicone, plays the role of flow control, leakage prevention and sealing. Hopewell manufactured silicone membrane for over a decade, with enough public mold silicone membranes, free samples can also be provided. Contact us for more.

Silicone Fermentation Lids

Silicone fermentation lids are also known as silicone fermentation airlock lids, made of FDA & LFGB approved food grade solid silicone, processed by compression molding, with a silicone duckbill valve upside. Hopewell produced silicone fermentation lids for more than 10 years, public mold, free samples can be provided, contact us for more.

Silicone Cross Slit Valve

Hopewell manufactures silicone cross slit valves for over 10 years, offering a variety of sizes such as 8/ 9.8/ 10.5/ 13/ 16.5mm, they are made of FDA & LFGB approved ultra transparent liquid silicone, known for their excellent elasticity and tension. Free samples can be provided, contact us for more.

Factory Customize Silicone Lens

Silicone lens, also known as silicone optics, made of optical liquid silicone, processed by LSR injection molding, suitable for indoor and outdoor led lighting. Hopewell produce silicone lenses for for than 10 years, rich experience, imported high precision mold making, production and inspection equipment. Contact us for more information.