蓝天恒科技(北京)有限公司系天津百利展发集团有限公司旗下企业，是一家专业技术研究及销售阀门、管件、法兰及管道附件的企业。公司设备精良齐全、技术力量雄厚、严谨科学管理；并拥有一批专业化、高水平的技术研发、营销管理及售后服务精英，除生产自主高端产品外，并与国内外知名品牌企业建立了技术研发、产销联盟等合作体系。
        公司先后通过ISO9001:2000国际质量体系、ISO14001:1996环境体系等认证，建立完善的质量保证体系。严格按照ISO(国际)、GB(国标)、API(美标)、DIN(德标)、BS(英标)、JPI(日标)、NF(法标)等标准制造各种高、中压阀门、法兰及管道附件。并可根据用户要求设计和制造各种非标件。产品广泛应用于冶金、石油、化工、电厂、制药、造纸、机械等领域；曾被大港油田集团有限责任公司，上海闸北电厂，湖北襄阳化工总厂，京唐2250热轧钢卷，重钢1780热连轧机，鞍钢1580钢卷等项目配套选用。产品畅销海内外，深受广大用户的青睐和广泛赞誉。

Lantianheng Technology (Beijing) Co., Ltd. is the subsidiary of Tianjin Bailizhanfa Group Co., Ltd. it is an enterprise focus on professional technical study, sales of valves, pipe fittings ,flanges and pipe fittings business. The company is fully equipped with strong technical force and strict scientific management; and has a large number of specialized, high technology research and development, marketing, management and service elite. In addition to producing independent high-end products, it has established cooperative system in technical R & D, production and marketing alliances with the enterprises who are well-known at home and abroad.

The company has passed ISO9001:2000 intenational quality system, ISO14001:1996 environment system certification, and established a sound quality assurance system. We in strict accordance with ISO (international), GB(GB), API(American Standard), DIN(German standard), BS(British Standard), JPI(Japanese standard), NF(French standard) and other standards for manufacturing of various high, medium pressure valves, flanges and pipe accessories, design and manufacture non-standard parts according to users' requirements. Our products are widely used in metallurgy, petroleum, chemical, power, pharmaceutical, paper, machinery and other fields. It has been selected and supported by Dagang Oilfield Group Co., Ltd., Shanghai Zhabei Power Plant, Hubei Xiangyang Chemical Plant, Jingtang 2250 hot rolled coils, heavy steel 1780 hot rolling mill, Anshan Iron and Steel 1580 coils and other projects. Selling products at home and abroad, the majority of users of all ages and widely praised. Products sell well both at home and abroad and it is widely praised by majority of users of all ages and special technological equipment. Providing powerful guarantee for product quality and enterprise development.