Main Exhibits： For over 30 years, Triol has thrived at the intersection of innovation and endurance, building technologies that don’t just function but excel under pressure. From oilfields to factory floors, from robotics labs to critical infrastructure, we help partners break through limits, not just survive them. We believe intelligence means nothing without resilience. And resilience only matters when it drives progress. While others chase scale, we stay focused on what matters most.

Main Exhibits： Petrochemical refining additives, coating additives, mineral chemicals

Main Exhibits：Petrochemical Industry Steel Structure Micro Model

Main Exhibits： Its main products include pressure gauges, thermometers, and precision instruments such as pressure and temperature sensors.

Main Exhibits： Wind-powered chainsaw, pneumatic lamp, impact drill, pneumatic band saw, and other pneumatic tools

Main Exhibits：Ouleidun Technology (Zhejiang) Co., Ltd., situated in the scenic Lingang Industrial Zone of Sanmen County, Zhejiang Province, specializes in the development, manufacturing, and servicing of high-end screw compressors, as well as the import and export of core technologies. Since its inception, the company has been committed to customer-centricity, driven by technological innovation, and strives for excellence, dedicated to delivering the highest quality products and services to customers worldwid

Main Exhibits： Electronic Passive Padlock,Electronic Passive Cam Lock,Electronic Passive Swing Handle Locks,Electronic Passive Chain Lock,Electronic Passive Cylinder Lock,Professional Lock Management Manufacturer

Main Exhibits： Oilfield additive raw materials: 1. Corrosion inhibitor main agent: chloride-1-benzyl quinoline quatern ammonium salt (PT-QA-1) 2. Corrosion inhibitor main agent: water-soluble imidazoline (PT-PB-1) 3. CO2 gas corrosion inhibitor (PT-PB-2) 4. Acid corrosion booster (propargyl alcohol ether) (PT-PP-1 5. Acid corrosion booster (propargyl alcohol ether) (PT-PP-2) 6. Sulfonic acid anionic foaming agent (PT--1) 7. Oxazolidine-type bactericide (PT-SJ-1) 8. Betaine (BS, CAB, LAB LHSB)

Main Exhibits：valves and fittings

Main Exhibits： Friction material

Main Exhibits：Boldrocchi is an international engineering and manufacturing company delivering custom-engineered solution for energy, O&G process industries including sulfur recovery, hydrogen reformers, ethylene cracking furnaces, catalyst cracking reduction (CCR) and gas treatment units... Boldrocchi designs and supplies centrifugal fans, blowers & compressors; heat exchangers & coolers; heavy-duty dampers and noise protection/silencers.

Main Exhibits：Our ultrasonic gas flow meters are widely used across the oil and gas, petrochemical, and energy industries, including upstream oil and gas extraction. They are capable of measuring a wide range of complex gas compositions, covering challenging media such as flare gas, associated gas, biogas, coke oven gas, water gas, and producer gas.

Main Exhibits： A picture album introduced by the group