我们是一家集产品研发、生产、销售于一体的生产型企业，成立于2019年，现位于重庆市九龙坡区含谷镇兴谷路37号6栋。

公司拥有专业技术管理团队20人，行业经验积累二十多年，团队中大专本科以上学历者30人，目前公司共计120余人。拥有高精密美国进口数控5轴、4轴加工中心60台以及日本进口走心机20台，还有其他生产辅助设备（线切割、车床、铣床、磨床、火花机）30余台，以及检测设备（瑞典进口三坐标、影像仪等）10余台。

济南文蔚教育科技有限公司

是一家专注于教辅图书研发、出版与发行的专业公司，涵盖小学、中学各学科的全系列教辅图书，包括同步辅导、专项训练、考试辅导、课外拓展等多个品类。针对不同年龄段和学习阶段的学生，我们精心打造了具有针对性和实用性的产品，拥有一支由资深教育专家、一线骨干教师和专业编辑人员组成的高素质编辑团队。

纳福希（上海）阀门科技有限公司

NAVC (Shanghai) Valve Technology Co., Ltd. is a Sino-U.S. joint high-tech venture located in Qingpu Industrial Park. Relying on a modernized foreign research platform and introducing advanced foreign technologies, the company specializes in manufacturing valves for high-risk and severe conditions.

Affiliated with the Shanghai Mechanical Engineering Society, the company boasts an excellent team of technical experts. They have drafted and revised several national valve standards and participated in the drafting of international ISO sub-zero valve standards, earning numerous national awards for their patented high-technology.

Their leading products—metal-seated ball valves, metal-seated butterfly valves, plug valves, and check valves—have achieved world-class performance levels. The company has extensive experience with various valve materials such as WCB, 304, 316, 316L, duplex stainless steel, Hastelloy, zirconium, titanium, Monel, and ceramics. Nominal sizes range from 1/2” to 96”, pressure ratings from 150lb to 4500lb, and temperature ranges from -196℃ to 800℃.

The company's product quality is assured through its technological foundation, stringent management, German-imported CNC machining centers, three-coordinate measuring machines, high-cleanliness ultrasonic cleaning equipment, and internationally advanced digital automatic hydraulic valve test stands.

NAVC (Shanghai) Valve Technology Co., Ltd. welcomes you with our high-quality products and excellent service.