亿成石油装备取得内平衡式气控高压污水换向球阀专利
Sou Hu Cai Jing·2026-01-16 06:54
Group 1 - The State Intellectual Property Office of China has granted a patent to Shanxi Yicheng Petroleum Equipment Co., Ltd. for a structure called "a balanced gas-controlled high-pressure sewage two-position three-way switching ball valve" with authorization announcement number CN117146031B, applied on October 2023 [1] - Shanxi Yicheng Petroleum Equipment Co., Ltd. was established in 2021 and is located in Jincheng City, primarily engaged in wholesale business with a registered capital of 10 million RMB [1] - The company has participated in 20 bidding projects and holds 8 patent records, in addition to having 3 administrative licenses according to data analysis from Tianyancha [1]