河北宁宇化工有限公司(原井陉县碳酸钙五厂)，创建于1974年，是一家集科研、生产、销售、服务为一体的非公有制企业。是中国无机盐工业协会碳酸钙分会理事单位，中国塑料加工工业协会改性塑料专业委员会理事单位。其规模和经济效益居国内同行业领先地位，公司连年被评为河北省“重合同守信用单位”、“质量计量信得过单位”、“明星企业”等荣誉称号，并在同行业中率先通过ISO9002国际质量体系认证。
　

  公司年产“宁宇”牌碳酸钙系列产品5万吨，主要产品有工业沉淀碳酸钙、活性碳酸钙、微细碳酸钙等产品，其中主导产品工业沉淀碳酸钙年产3万吨，活性碳酸钙1万吨，超细碳酸钙1万吨。产品严格按照国家先进标准组织生产，深受国内用户的青睐，并远销东南亚等国家和地区。广泛适用于造纸、橡胶、涂料、油漆、电缆、塑料、PVC管材、型材、饲料、日用化工行业。

  公司拥有固定资产1200万元，职工300人，技术人员42名，我们始终坚持“质量第一、信誉至上”的服务宗旨，期待着新老客朋友来公司考察指导，我们将竭诚为您服务!
　

Hebei Ningyu Chemical Limited Company built in 1974 is a non-public enterprise integrating research, production, distribution, service together, It is a director of calcium carbonate branch lf China Inorganic Salts Association and a director of modified plastics committee of China Plastics Processing Association. As of size and economic benefits it occupies the leading position. It is entitled "the unit valuing the contract and credit", "the unit of the trusted quality and measurement", "the star enterprise" and so on in  successive years. It is the first one to obtain the ＩＳＯ9002 international quality system certificate.

It yearly produces 50,000 tons of Ningyu calcium carbonate, mainly are industrial sedimentary calcium carbonate(30,000 tons per year), active calcium carbonate(10,000 tons per year), tiny calcium carbonate(10,000 tons per year), etc. All the products are in accordance with the national advanced standard, they win the favor of the customers and are sold to Southeast Asian countries and regions. They are widely used in paper-making, rubber, dope, paint, cable, plastics, PVC tube material, template, feed and chemical articles of daily use.

The fixed assets of the company is 1.2 million RMB yuan, there are 300 workers,42 are technicians. We always sticks to the principle "the best quality and the first credit ",and we welcome all the friends abroad and at home to our company, we will serve you sincerely.