QDBG CHINAGas cylinders & gas equipmentRequest a Quote Pressure-ready. Project-ready.
Gas Cylinders, Industrial Gases & Gas Equipment from China
Supply solutions for industrial, medical, energy, fire-protection and specialty-gas applications—configured around the selected model, market requirement and delivery plan.
Core product solutions
Gas cylinders remain at the centre of our supply.
Start with the product family, then confirm the gas service, capacity, pressure, valve and destination requirements.
01
Seamless Steel Cylinders
High-pressure steel cylinders configured for industrial, medical, fire-protection and specialty gas service.Explore →
02
Acetylene Cylinders
Dissolved acetylene cylinders with controlled porous mass, solvent system and market-specific valve options.Explore →
03
Aluminum Cylinders
Seamless aluminum alloy cylinders across multiple series for portable oxygen, CO₂, industrial and specialty gas applications.Explore →
04
CNG Cylinders
Steel and hoop-wrapped cylinders for vehicle, cascade and stationary compressed natural gas storage.Explore →
05
LPG Cylinders
Steel and lightweight composite LPG cylinders for domestic, hospitality, outdoor and commercial distribution programmes.Explore →
12
Industrial & Specialty Gases
Industrial, high-purity and specialty gases supplied in matched cylinders, subject to grade, filling, transport and market requirements.Explore →Equipment & specialty solutions
Supporting products for a complete supply package.
Specialty cylinders, low-temperature storage, flow control and practical handling equipment.
06
Welded Specialty Cylinders
Welded steel cylinder platforms for liquid chlorine, liquid ammonia, refrigerant and selected chemical media.Explore →
07
Cryogenic Equipment
Vacuum-insulated Dewar cylinders, cryogenic tanks and transfer equipment for industrial liquid-gas storage and handling.Explore →
08
LN₂ Biological Containers
Vacuum-insulated aluminum containers for biological samples, semen, vaccines and laboratory cryogenic storage.Explore →
09
Gas Cylinder Valves
Cylinder valves selected around the gas medium, working pressure, inlet thread, outlet connection and market requirement.Explore →
10
Gas Regulators
Cylinder-mounted regulators and flow-control configurations selected for the gas, inlet pressure, outlet pressure and connection.Explore →
11
Gas Equipment & Accessories
Handling, connection, protection and testing equipment that completes a practical gas-cylinder supply package.Explore →About QDBG CHINA
Qingdao · ChinaA China-based supply partner for the gas industry.
QDBG CHINA is the international brand of Qingdao Baigong Industrial & Trading Co., Ltd. We supply gas cylinders, industrial and specialty gases, valves, regulators, cryogenic equipment and related accessories to gas companies, distributors, filling plants, contractors and industrial users. For international orders, our team coordinates product selection, specification confirmation, production or sourcing, inspection, packing and shipment according to the confirmed product, quantity and destination requirements.
About QDBG CHINA →Find by application
Start with how the equipment will be used.
Each application path connects typical requirements with relevant product families.
01
Industrial Gas
Seamless steel cylinders, valves, regulators, cryogenic equipment and industrial gases
Explore application →02Medical Gas
Seamless steel and aluminum cylinders, valves, regulators and selected gas supply
Explore application →03Welding & Cutting
Oxygen and acetylene cylinders, industrial gases, valves, regulators and accessories
Explore application →04Fire Protection
Seamless and welded specialty cylinders, valves and related accessories
Explore application →05CNG
Type 1 and Type 2 CNG cylinders, valves and installation-related accessories
Explore application →06LPG
Steel and composite LPG cylinders with market-specific valve options
Explore application →07Cryogenic & Laboratory
Dewar cylinders, storage tanks, LN₂ biological containers, pumps and vaporizers
Explore application →Technical & configuration support
Select around the actual requirement.
Product selection can be reviewed by capacity, working pressure, gas service, material, valve or connection, applicable standard, marking and packing.
View Technical Guide →01Capacity02Working Pressure03Gas Service04Cylinder Material05Valve / Connection06Applicable Standard07Marking08Packing
Quality & order control
Clear checkpoints from requirement to shipment.
Control steps are aligned with the confirmed product and order. Inspection and testing are coordinated where applicable.
Specification confirmation
Model, service, pressure, valve and destination requirements are reviewed.
Production / sourcing coordination
The approved order basis is communicated to the relevant supply team.
Inspection & testing
Applicable inspection and testing are checked against the selected product.
Final inspection & packing
Marking, finish, accessories and packing are checked before dispatch.
Export & shipping coordination
Packing, documents and shipment arrangements are coordinated for the order.
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Share the product or application, quantity, destination and any known specification. Technical fields can be confirmed later if you do not yet know them.
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