With the rapid development of industries such as petroleum, chemical industry, military industry, engineering, factories, mines, and mining, explosion-proof distribution boxes are used more and more widely in production, storage, and rescue. How to prevent accidental explosion of the explosion-proof distribution box has become a very important issue in explosive gas hazardous locations. Because explosion-proof distribution boxes inevitably produce sparks during their work, once they meet with the explosive gas mixture at the production or rescue site, it will lead to an explosion accident, which will directly endanger the lives of national property and citizens. Therefore, as the most widely used lighting fixture, its explosion-proof technology has long attracted people's attention and great attention.

1, according to the actual lighting needs of the work site, determine the lamp installation location and method, and then press the lamp to the 220V power contact point to prepare the appropriate length of the three-core cable (if using the steel cable wiring will be introduced to the three-core cable Lamp installation place).

2, first remove the fixing screws on the wiring chamber, pull out the wiring part of the terminal box; take out the sealing ring and the connector (with set screw) from the packing box, insert the cables in turn; then separate the three-core cable end In the access box, mark “L” and “N” and the grounding point, press the cable with the pressure wire clamp, and fix it with the fastening screw, then tighten the joint, press the seal ring tightly, and tighten the set screw from the side.

3. Screw the part of step 2 into the steel tube, tighten the set screws from the side, and then install the lamp body along the guide rail of the junction box, then tighten the screws on the panel.

4. Finally, connect the other end of the three-core cable to the 220V power supply in accordance with the requirements of the explosion-proof distribution box .

5, when replacing the bulb, first cut off the power, then use the Allen wrench to remove the set screw on the shell, use a large screwdriver or other tools to loosen the lamp cover 6 circles, and then carefully remove the lamp cover by hand, rotating Replace the old bulb with a new one.

Hot Tub

Horizon Hot tub spas has got below unique technology in the world:

 1. Never bubble on  spa acrylic shell :

 1) You can test our spa shell on 100 degree hot water more than 200 hours and not any bubble on the spa shell,  USA spa shell tested in 80 degree hot water not more than 40 hours only.

 2)If the spa acrylic shell bubble happen within warranty term, We will free one new spa for you.


2.Horizon Perfect-core spa control therapy system is designed by our company's oversea designer team, It own many unique technology.

1)Total water-proof spa control panel:

You can drip the spa control panel into the water and not any problem.

2). The Extra-pure water treatment system:

 This water treatment system can keep the water clear in the spa more than one year without any chemical chlorine.


3.Luxury polymer spa skirt panel:

1)Don`t fade spa skirt panel used outdoor more than 10 years.

We product our spa spa skirt panel with our unique materials which exploited by our engineer team, So our spa skirt can be used more than 10 years, and the color in the skirt will be not lost.

2)Patent Colorful dream skirt


Spa for 4-6 Adults

Hotel Hot tub, 4 persons Hot tub, Family jacuzzi tub,5 persons hot tub, 6 persons spa tub, spa for 4-6 adults, 4-6adults spa tub, party spa tub

Dongguan Horizon Technology Development Co., Ltd. , http://www.horizontub.com