Q1: Are you a manufacturer?
Answer: Yes, we have specialized in manufacturing HHO generators for 17 years.

Q2: What patents and certificates do you have?
Answer: Up to now, our company has CE certificates and 4 invention patents, 13 patents for utility models, 2 design patents and 8 invention patents in application.

Q3: Can I visit your factory?
Answer: Sure, we welcome you to visit our company. We are located in Changsha and if you take the high-speed railway from Guangzhou, it only takes two hours to reach our company. Also, there are some direct routes from Changsha to other counties.

Q4: How can I be an agent?
Answer: Our company is always looking for agents. We have different requirements depending on different markets. You can email us about your company information and we will reply to you with the best step towards cooperation.

Q5: How long is the time of delivery?
Answer: If the equipment is in stock, we can arrange shipment within 3 days. If there is no stock, HHO and GOCLEAN brand products need 10 working days to deliver. KINGKAR brand series products need 20 working days for delivery.

Q6: How much voltage do these machines require? Is this customizable?
Answer: Typical voltages available include: 110V, 220V, 230V, 240V, 380V, 400V, 440V, etc. If you need different voltages, confirm the local voltage with your engineers and then let us know.

Q7: What are your payment terms?
Answer: We generally accept T/T, and accept letter of credit at sight in some countries. For further information, please contact us.

Q8: Is it necessary to use HHO carbon removal agent when using the HHO carbon removal machine?
Answer: Sure. The HHO carbon removal agent is tailor-made for the HHO carbon removal machine to strengthen the effect of carbon removal which are used to improve the satisfaction of customers.

Q9: IsHHO carbon removal agent a chemical? Is it corrosive to engines?
Answer: The HHO carbon removal agent is not a chemical and can be airlifted. It’s a non-corrosive carbon removal agent specially developed by us which does no harm to the engine.

Q10: How long does it take to remove carbon?
Answer: It only takes 20 minutes to clean the car. Some large displacement cars, such as truck with 4.0L engines, are recommended for 30-40 minutes.

Q11: How much nano liquid for one car?
Answer: Usually it consume 1 bottle of nano liquid for most cars and 2 bottles for some large displacement cars such as trucks with 4.0L engine.

Q12: Can I use the Steam Cleaner For Car with type 6.0 to clean trucks or buses?
Answer: Of course you can. Trucks and buses are recommended to be cleaned for 30-40 minutes. In addition, the gas production can be adjusted to the maximum.

Q13: What’s the water consumption for GOCLEAN steam washing machines?
Answer: It takes 2 liters of water to clean one car for the steam washing machine. Of course, it depends on the reality such as: the size of cleaning car, the dirt degree, climate conditions and so on.

Q14: What precautions should be taken for using GOCLEAN steam washing machine in cold weather?
Answer: The steam washing machine is equipped with a temperature protection device. It will not freeze in cold weather and can keep normal operation. However, it is necessary to remove the remaining water from the steam washing machine if the temperature is low.

Q15: Can I use the Steam Cleaner For Car to clean automotive interiors?
Answer: This series of Steam Cleaner For Car has two ways of steam: dry steam and wet steam. Dry steam is mainly used to clean the interior of the car. It cost a little of water to kills bacteria and refresh air inside the car. Besides, the dry steam will dry in a few minutes.

Q16: What parts of the car should be cleaned by steam washing machine?
Answer: It is not suitable for cleaning electrical components.

Q17: Can this steam washing machine remove dust, oil and so on?
Answer: Steam washing machine can quickly and effectively remove dust, stains, oil, odor and other pollutants without producing chemical substances. You just need to point the steam gun at a specific surface until the pollutants are completely removed.

Q18: Does the HHO welder weld air conditioning pipe?
Answer: Yes. The Kingkar HHO welder is composed of HHO generator and welding machine. The HHO generator only consumes water to produce hydrogen and oxygen. The copper pipe will be melted and welded by the high temperature of the hydrogen-oxygen flame.

Q19: Can the Hydrogen Gas Cutting Systems replace traditional fuels totally for cutting?
Answer: Yes. The Kingkar Hydrogen Gas Cutting Systems is composed of HHO generator and cutting machine. The HHO generator produces hydrogen and oxygen to replace totally traditional fuels, such as propane, acetylene, natural gas for flame cutting.

Q20: Can the oxygen hydrogen gas making machine replace traditional fuels completely for industrial fuels?
Answer: The oxygen hydrogen gas making machine support the combustion of traditional fuel. The mixture of hydrogen and oxygen can improve the efficiency of combustion for traditional industry fuel and reduce emissions.