Pure Water Welding Machine Hho Jewelry Welding Torch for Gold Melting
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Product Highlights
- Eco-Friendly Water Fuel: Uses pure water electrolysis to generate oxyhydrogen flame, saving costs and reducing emissions.
- Multi-Model Options: Available in OH100 to OH400 models with gas output ranging from 100L/H to 400L/H.
- Comprehensive Warranty: Includes 1-year product warranty and lifelong technical support for all machines.
- Flexible Customization: Supports OEM/ODM services, full customization, and minor adjustments based on designs.
- Fast Production Lead: Standard production time within 1 week, ensuring quick delivery for urgent orders.
- Certified Quality: Manufactured under ISO9001/14001/45001 standards with CE and FCC product certifications.
- Versatile Jewelry Use: Ideal for jewelry wax casting, repair, and welding of gold, silver, and other metals.
Product Attributes
- Customization
- Available
- AC Voltage Requirement
- 220/110 V
- Max Gas Output
- 200L/H
- Model NO.
- OH200
- Dimensions - L*W*H
- 450*250*510
- Gross Weight
- 20 Kg
- Is Customized
- Yes
- Feature
- Water Fuel Saving, Eco-Friendly, Cost Saver
- Working Medium
- Pure Water, Electricity
- Water Feed
- Manual
- Useage
- Jewelry Welding, Silver Welding, Gold Welding
- Accessories
- Hho Torch, Flash Arrestor, Gas Pipe
- Transport Package
- Standard Export Packing
- Specification
- Rated Power 0.7KW/h
- Trademark
- OKAY ENERGY
- Origin
- Made in Changsha, China
- HS Code
- 8405100000
- Production Capacity
- 500 Sets/Month
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Pure Water Welding Machine Hho Jewelry Welding Torch for Gold Melting
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Product Description










Precision Welding: 3000°C Concentrated flame achieves precise welding. Our flame focuses down to a fine point, heating only the joint. Ideal for precious metals like jewelry to prevent metal loss.
Jewelry Welding Without the Discoloration: Oxygen-acetylene torches leave oxidation on gold, silver, and platinum. Our hho flame burns clean. Only water vapor touches the metal. The weld area stays bright. No pickling. No polishing to remove fire scale. Delicate chains, jump rings, and prongs come out of the weld with their original finish intact.
From Frosted Edge to Glass Finish in Seconds: A saw-cut acrylic edge looks white and rough. Sanding makes it clearer but takes minutes and leaves scratches. Our hho flame does it in seconds. One pass melts the surface. Surface tension does the smoothing. The edge becomes transparent, glossy, and scratch-free. No sandpaper.
Safe & Convenient: Oxyhydrogen generator can produce gas automatically without gas cylinder. Just need pure water & electricity as fuel. No worry for cylinder explodes.The machine will turn on or off automatically by detecting the gas pressure.The gas output volume is adjustable. Easy to operate.
Globally Recognized Certifications and Patented Technology: Our hydrogen welding machines are proudly certified with prestigious international accreditations including CE, FCC, and ISO, confirming compliance with rigorous global standards for safety, electromagnetic compatibility, and quality management systems. OEM and ODM options are available for custom branding.
Model Number | OH100 | OH200 | OH300 | OH400 | OH600 | OH800 | OH1000 |
AC Voltage Requirement (V) | 220/110 | 220/110 | 220/110 | 220/110 | 220/110 | 220 | 220 |
Phase | single | single | single | single | single | single | single |
Rated Power(KW/h) | 5V 60A | 5V 60A | 5V 60A | 5V 60A | 5V 60A | 5V 60A | 5V 60A |
Max Gas Output | 100L/h | 200L/h | 300L/h | 400L/h | 600L/h | 800L/h | 1000L/h |
Max. Working Pressure (kg/cm 2 ) | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Max. Water Consumption (L/h) | 0.06 | 0.7 | 1 | 1.4 | 0.33 | 0.43 | 0.53 |
Water Feed | manual | manual | manual | manual | manual | manual | manual |
Flame Modifier Feed | manual | manual | manual | manual | manual | manual | manual |
Dimensions - L*W*H (mm) | 390*250*510 | 450*250*510 | 590*250*510 | 710*250*510 | 930*250*510 | 660*550*800 | 700*600*890 |
Gross Weight (kg) | 15 | 20 | 25 | 35 | 45 | 70 | 80 |
Ventilation Space Requirement (mm) | 200 in each direction | 200 in each direction | 200 in each direction | 200 in each direction | 200 in each direction | 200 in each direction | 200 in each direction |
Model Number | OH1500 | OH3000 | OH5500 | OH7500 | OH10000 | OH20000 |
AC Voltage Requirement (V) | 380 | 380 | 380 | 380 | 380 | 380 |
Phase | three | three | three | three | three | three |
Rated Power(KW/h) | 4.5 | 9 | 17.5 | 23 | 31 | 70 |
Max Gas Output | 1500L/h | 3000L/h | 5500L/h | 7500L/h | 10000L/h | 20000L/h |
Max. Working Pressure (kg/cm 2 ) | 2 | 2 | 2 | 2 | 2 | 2 |
Max. Water Consumption (L/h) | 0.8 | 1.6 | 2.8 | 4 | 5.6 | 11.6 |
Water Feed | auto | auto | auto | auto | auto | auo |
Dimensions - L*W*H (mm) | 1070*670*1000 | 700*1100*1280 | 750*1300*1650 | 850*1300*1820 | 1050*1400*1900 | 2300*1100*1800 |
Gross Weight (kg) | 210 | 300 | 396 | 552 | 610 | 1400 |
Ventilation Space Requirement (mm) | 400 in each direction | 400 in each direction | 400 in each direction | 400 in each direction | 400 in each direction | 400 in each direction |










About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2491462". Items marked "" are certified.
Company Profile
Okay Energy Equipment Co., Ltd. is located in beautiful Changsha city, Hunan Province, China. Okay Energy Equipment Co., Ltd is a high-tech enterprise which focused on research, production and sales of oxy hydrogen generator, carbon clean machine, three-way catalytic converter carbon cleaning machine, oxyhydrogen welding machine etc. Oxy-hydrogen generator which transforms water into oxygen and hydrogen would lead a new energy revolution in 21st century.
There is a professional technology development team include professional doctor and technical personnel, production staff. Our production capacity is 500 units HHO hydrogen generator per month. All our products are produced with CE, FCC, SGS certification. Okay Energy owned 8 core technologies, 18 design and invention patents, over 30 products series.
We have passes ISO9001 system with independent production workshops including power supply, electrolytic cell production line and machine assemble line. Okay Energy's the 2ND factory plant will be put in production in 2018, and the yearly capacity is expected to 2 million units oxy-hydrogen generators.
Okay Energy 11 years development introduction:
1. Okay Energy founded on Oct 23th, 2006 (2006)
2.10 design & invention Patents of oxyhyrogen generator (2008)
3. The first manufacturer of HHO carbon cleaning machine in China (2009)
4. Wireless engine detection technology(2011)
5. Integrated forming electrolysis cell technology (2012)
6. PLC micro-computer control system (2013)
7. HD TFT screen (2014)
8. Touch screen(2015)
9. The first Chinese manufacturer produce 20000L/H HHO gas. (2015)
10. Mobile service machine for carbon cleaning (2016)
11. WiFi monitoring solution: Touch screen and mobile phone synchronization (2017)
12. Owing 18 design & invention patents, 7 core hho technology, over 30 series products now.
Okay Energy core technology including anti explosion and anti leakage integrated electrolytic tank, dry and wet combination anti back-fire flash arrestor, pre-anti backfire oxyhydrogen torch, PLC control panel technology, IGBT high efficiency power supply, stable pressure device, and okaycloud system. Our machines can be 24 hours continuous working and the main machine can run 5 -10 years.
We are always devoting to improve old products and develop new products, do our best to meet the market demand. Integrity is our promise and quality is goal. Welcome buyers from home and abroad to visit our company and win business together.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Compark NO. 27 WenXuan Road, Yuelu District, Changsha, Hunan, China
-
Plant Area
- 1224.75 square meters
-
Number of Employees
- 40
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port.Shenzhen Port.Changsha Port.
-
Supply Chain Partners
- 50
Our Production Capability & Technical Expertise
-
Main Products
- Oxyhydrogen Generetor, Water Welding Machine, Oxyhydrogen Welding Machine, Oxyhydrogen Cutting Machine, HHO Generetor, Engine Carbon Cleaning Machine, HHO for Boiler
-
Production Lines
- 2
-
Production Machines
- Sawing Machine, Bench Drilling Machine, Air Plasma Cutting Machine, Assembling production line
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2006-10-23
-
Export Year
- 14 Years
-
Main Markets
- North America, Europe, Southeast Asia/ Mideast
-
Repeat Buyers Choice
- 30%~50%
-
Number of Foreign Trading Staff
- 8
-
Overseas Agent/Branch
- Yes
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001
-
Product Certification
- CE, FCC
-
Cooperated with Fortune 500
- No
FAQ
- What is the power consumption of the welding machine?
- Power consumption varies by model: OH100 uses 0.4 kw/h, OH200 uses 0.8 kw/h, OH300 uses 1.2 kw/h, and OH400 uses 1.4 kw/h.
- What is the minimum order quantity (MOQ)?
- The minimum order quantity is 1 set.
- How long is the warranty period?
- We provide a 1-year product warranty and offer lifelong technical support.
- What is the production time for an order?
- Standard production time is within 1 week.
- What payment methods are accepted?
- We accept T/T, Western Union, Moneygram, Credit Card, PayPal, LC, D/P, and small-amount payments.
- Can the machine be customized?
- Yes, we offer OEM/ODM services, including full customization, minor customization, and flexible customization from samples or designs.
- What certifications does the product have?
- The product holds CE and FCC certifications, and the factory is certified with ISO9001:2015, ISO45001:2018, and ISO14001.
- How is the product packed and shipped?
- Packed in standard export cartons (1 set/carton). Shipment is available by sea, air, or express delivery.
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Product Groups
- oxyhydrogen generator
- hho generator
- hho welding machine
- hho acrylic polishing machine
- hho metal cutting machine
- hho boiler
- hho engine carbon clean machine
- Steam Car Wash Machine
- catalytic converter cleaning machine
- DPF cleaning machine
- ultrapure water system
- hypochlorous acid generator
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