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Shenzhen Tianyan Electronics Co.,Ltd

Shenzhen Tianyan Electronics Co.,Ltd. is a professional manufacturer of electronics products, specializing in designing, development, production, sales&service.

It was founded in 2001, located in Shenzhen city, Guangdong province, China.

The company owns two factories, one of which is committed to manufacturing calculators, another focuses on the production&development of mobile powers and bluetooth speakers, so, our products cover:


1) students calculators ranging from primary school, junior middle school, to high middle school calculators
2) wireless speaker
3) mobile powers

GLOBAL MARTKET

Export to Turkey, Iran, Russia, South Korea, Vietnam, Thailand, Pakistan, Bangladesh and other countries, was praised by customers with high quality products and good after-sale service.

GLOBAL MARTKET
  • 20

    +

    More than 20 years of industry experience

  • 20

    +

    More than 20 professional R&D technicians

  • 30

    +

    Export to more than 30 countries

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12
The calculator includes a calculator body, the calculator body is provided with a single-chip microcomputer, an input device respectively connected with the single-chip computer, a display screen, a data interface and a generator, and the input device has a rectangular structure.
solar
A portable calculator includes a storage sleeve, a flip cover is sleeved in the storage sleeve, a rotating rod is inserted through the right side of the front of the flip cover, and the two ends of the rotating rod are respectively inserted into the front and rear sides of the inner wall of the storage sleeve.
solar
solar scientific calculator from China manufacturer. Its structure includes base, box body, clear key, power-on key, positive and negative conversion key, abscission key, display, frame, solar panel, battery device, firmware, equal key, and the base is in phase with the box body. connected, and the clear key is connected with the power-on key.
Wholesale
After power on, the display is dim or on and off. First measure whether the voltage of the battery used is normal. If it is normal, you can further check whether the spring pressure of the battery is sufficient and the contact is good. If there is a problem, you can use a stretched spring piece or fine sand to polish the contact of the battery pole piece.
Wholesale
Calculators are generally composed of operators, controllers, memory, keyboards, monitors, power supplies, and some optional peripherals and electronic accessories, through manual or machine equipment.
How
1. Turn on the power of the Bluetooth speaker and the indicator light will light up. 2. Then turn on the Bluetooth of the mobile phone. 3. At this time, the mobile phone will automatically detect the
How
  Insert the memory card or U disk directly into the speaker, and you can play it after turning it on.   One is the use environment. Try not to place it in direct sunlight, and do not place heavy obj
The
 With the rapid development of Bluetooth smart phones and tablet computers, consumers have been amazed by their performance and screens. Due to the size, speakers alone have no good solutions. Hearing

NEWS

12 digits display calculator Manufacturers china
12 digits display calculator Manufacturers china
The calculator includes a calculator body, the calculator body is provided with a single-chip microcomputer, an input device respectively connected with the single-chip computer, a display screen, a data interface and a generator, and the input device has a rectangular structure.
solar scientific calculator from China manufacturer introduces the knowledge of calculators
solar scientific calculator from China manufacturer introduces the knowledge of calculators
A portable calculator includes a storage sleeve, a flip cover is sleeved in the storage sleeve, a rotating rod is inserted through the right side of the front of the flip cover, and the two ends of the rotating rod are respectively inserted into the front and rear sides of the inner wall of the storage sleeve.
solar scientific calculator from China manufacturer
solar scientific calculator from China manufacturer
solar scientific calculator from China manufacturer. Its structure includes base, box body, clear key, power-on key, positive and negative conversion key, abscission key, display, frame, solar panel, battery device, firmware, equal key, and the base is in phase with the box body. connected, and the clear key is connected with the power-on key.
Wholesale solar scientific calculator products tell us about the troubleshooting of calculators
Wholesale solar scientific calculator products tell us about the troubleshooting of calculators
After power on, the display is dim or on and off. First measure whether the voltage of the battery used is normal. If it is normal, you can further check whether the spring pressure of the battery is sufficient and the contact is good. If there is a problem, you can use a stretched spring piece or fine sand to polish the contact of the battery pole piece.
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