HANGZHOU BJERRINGBRO MECHANICAL SEAL CO., LTD is a specialized manufacturer of mechanical seals and pump accessories in China. Jointly established by returnees from Denmark and well-known experts in the sealing industry of China, we are a technology innovation enterprise specializing in the research, development and production of various high-end mechanical seals and pump accessories. As a long-term cooperation unit of Grundfos, Nanfang, ITT, KSB, Sulzer, Alfa Laval, APV, Fristam, Shijiazhuang Qiangda, Shijiazhuang Industrial Pump, Xiangfan 525, SPEM, Dalian Danai, Kaiquan, Dongfang, Liancheng and others, we now are a professional production base in China for high temperature, high pressure, high-speed container-type mechanical seals.

From the earliest introduction of foreign famous brand technology, production process and management mode, to becoming an excellent mechanical seal leading team through gradually based on the Chinese local market, all our successes have benefited from the research and cooperation of domestic and foreign famous pump, kettle and mixer brands. Up to now, the high temperature, high pressure, high speed container mechanical seal developed by our company have been widely used in petroleum, petrochemical, aerospace, aviation, electric power, submarine, paper making, coal washing, chemical, pharmaceutical and other industries. In particular, our metal bellows mechanical seal and the welding process of large shaft diameter stand out among the brands of China, and the appearance and precision are comparable to those of imported products. From high-temperature metal bellows mechanical seal for heat transfer oil pump, dry gas seal for centrifugal compressor, mechanical seal for high-pressure reactor and mechanical seal for stirrer with high solid content to the mechanical seal for sand mill, our company can provide consultation and exchange service for you with the help of our strong and experienced technical service team. At the same time, a large number of imported production equipment, testing equipment and process management systems in our company are also the most powerful quality guarantee for you!

The boiler feed pump, booster pump mechanical seal from KSB, SPEM, Shenyang Water Pump Factory; the desulfurization main circulating pump mechanical seal, slurry circulating pump mechanical seal, gypsum discharge pump mechanical seal from Sulzer, Weir Minerals, Xiangfan 525 and Shijiazhuang strong pump industry; The mechanical seals of mixers of EKATO, Laining, Chemineer and Sadik, we all have a complete set of blue prints and can match the corresponding accessory models as soon as you provide the model of the whole machine. Meanwhile, we can achieve the advantages of year-round standby spot goods and on-site service as soon as possible. At present, we have become a long-term partner and the trustworthy brand of China Guodian, China Huaneng, China Huadian, Datang, China Power Investment, China Resources and Zheneng. We are not only a mechanical seal manufacturer, but also a service provider of pump accessories. From nothing to something, from small to strong; Up to now, we have successfully provided reliable spare parts service guarantee to more than 80 power plants. We look forward to having more industry personages to join our team in the future market field to better serve the market.

In the field of biomedicine and food and beverage, the mechanical seals of sanitary pumps of Alfa Laval, APV, Fristam, Borg, Waukesha and Grundfos are also one of our characteristic projects. This industry has the characteristics of complicated mechanical seal models, high requirements for material composition and material precision, and urgent delivery requirements. However, our company has been serving these brands for many years and is familiar with various series models. In the current industry, we are one of the few or even the only enterprise that is familiar with the rules of this industry, especially the US FDA. EU RAECH, ROSH certification, we are in line with international standards; Thus we are ranked in the forefront of the industry: we not only provide mechanical seal, but also can transform the pump on site and provide corresponding spare parts; now, our fast service mechanism has been affirmed and supported by many owners.

In the field of sewage treatment, the famous brands of mechanical seals of submersible sewage pumps and agitators include ITT, Grundfos and ABS, etc. Our company is an enterprise that develops and produces this series of mechanical seals earlier in China. At present, all series of mechanical seals are complete and available in stock at any time. We do not need to dismantle the pump and map it on the site. We only need you to provide the nameplate of the pump and the operating conditions on site. We can provide you with the corresponding mechanical seal model and material selection. With professional marketing service concept, complete model series, professional technical engineer team, complete specifications of the spot inventory, we have a good ability to provide a strong guarantee to offer owners better services, we sincerely look forward to your call and cooperation negotiation!

Although our products have small size, they all are the core components of the main equipment and have a wide range of applications. For many years, the mechanical seal has been dominated by foreign brands, especially in the application fields of iron and steel coking, coal washing plant, alumina, coal-to-liquid, etc., where Chinese enterprises are discouraged, especially in the dry grinding and other problems, which have always troubled the normal and stable operation of the owner. On the basis of introducing foreign technologies and processes for many years, our company has accumulated experiences in years' site services and gradually found out a complete and effective scheme to provide the service time of mechanical seal;especially in the field transformation, our company has helped Chinese government save a lot of foreign exchange and provided a strong guarantee for the long-term stable operation of the owner.

While we accumulate, develop and improve our own technical level and resource accumulation, we have also established long-term cooperative relations with German Bergmann, British JohnCarne and other brands. At present, fake goods are rampant and fake brand names are everywhere; we can provide you with original, authentic products, and believe that only good faith can achieve a win-win cooperation!

In recent years, stainless steel vertical multi-stage pumps have gradually replaced the previous cast iron pumps in the fields of air conditioning, building booster water supply and fire protection, etc., especially Grundfos, Nanfang Pump, and Kaiquan, etc. have become our familiar brands, and Grundfos series mechanical seals developed by our company have been successfully applied to Grundfos CR series stainless steel vertical multi-stage pumps, CDLA series stainless steel welding stamping pumps of South Special Pump Industry, Kaiquan KQDL vertical multi-stage centrifugal pumps, and Chuanyuan SMV/SMVN stainless steel vertical multi-stage centrifugal pumps. We only need you to provide many well-known pump brand models, we can provide you with the corresponding mechanical seal and pump accessories, we can even assemble a whole pump for you, especially for Grundfos CR series and Nanfang CDL series; all of our parts are in stock, we are not only your production plant of mechanical seals, we are a leader in pump accessory industry!

We believe in the philosophy of "honesty supreme, reputation first, quality is the fundamental for our enterprise to achieve survival and further development. With excellent products, fast and timely delivery and after-sale service processing mechanism, we sincerely welcome friends to call us for inquiry and cooperation!