Burgmann Sealing Materials Co., Ltd. Cixi is solely owned by German, and has over 30 years of experience in sealing manufacture. Specializing in packing, spiral wound gaskets, graphite rings and non-metallic gaskets, we also supply graphite sheets, reinforced graphite sheets and non-asbestos sheets. With German manufacture experience, we are equipped with advanced production technologies and facilities. Having attained ISO9001 Certification, our products have been exported to more than ...