WQ JYWQ submersible sewage pump is the outstanding pump of WQ series products in the world. It is develop dafter continuous screening, improvement and overcoming its original shortcomings. There was a rational optimization and innovative design in the hydraulic model, sealing technology, mechanical structure, protection control to make it more reliable and secure, lightweight and practical, with long service life and well performance of pollution discharge. The whole series of products are reasonable in model spectrum, convenient in modeling. It is equipped with electric control cabinet exclusive for sewage submersible pump to achieve automatic control of its protective case.