This depends on both production capacity and inventory of silicone gasket in Suzhou Ultimate Sealing Technology Co.,Ltd.. In fact, the monthly supply is flexible. We may reduce the production when there is an off-season AND may increase the production when there is the peak. You are expected to tell us about the requirements and custom service is available.

Ultimate Seal has been dedicated to the creation, production and sales of o ring. The ED ring is one of the main products of Ultimate. Ultimate NBR ED ring has gone through the final random inspections. It is checked in terms of quantity, workmanship, function, color, size specifications, and packing details, based on internationally recognized furniture random sampling techniques. This product offers the most natural form of lighting, free of glares and eerie glow. Its natural artificial lighting effects do good to users' health and mood.

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