Global China Gas Detector Equipment Market Size, Share, Growth Analysis By Product (Fixed Gas Detector, Portable Gas Detector), By Technology (Semiconductor, Infrared (IR), Laser-based Detection, Catalytic, PID, Others), By End Use (Medical, Building Automation & Domestic Appliances, Environmental, Petrochemical, Automotive, Industrial, Others), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Statistics, Trends and Forecast 2025-2034