NINGBO CHANSTEC SEALING TECHNOLOGY CO., LTD manufactures and supplies quality products which help solve most flange sealing and insulation problems. Our activities range from research and development, product application, manufacture and supply, to plant monitoring, and on-site maintenance. The main products includes gaskets; gland packing; flange insulation kits; isolating joints; rubber elastomers; engineering plastics; and mechanical seals which are widely used in chemicals and petrochemicals, refining, pulp and paper, power generation, semiconductor, primary metals, food and pharmaceuticals, mining and original equipment manufacturers.