Where is the API gate valve from?

Where is the API gate valve from?
Gate valve is composed of a plate-like obstruction that is raised and lowered into place to control the flow of hydraulic fluid. comply with legislative and regulatory requirements.
API gate valve is one kind of gate valve. It can reach the valve standards from API - the American Petroleum Institute. The American Petroleum Institute, commonly referred to as API, is the main U.S trade association for the oil and natural gas industry, representing about 400 corporations involved in production, refinement, distribution. The publications, technical standards, and electronic and online products are designed to help users improve the efficiency and cost-effectiveness of their operations;