The quality of Tianyu mobile phone is quite good, and all accessories are very good. It was once very popular.
K-Touch is a well-known mobile phone brand of Beijing Tianyu Langtong Communication Equipment Co., Ltd. The company was established in April 2002. It is a professional high-tech enterprise specializing in mobile phone research and development, manufacturing, sales and services. It is one of the manufacturers who officially got GSM/GPRS and CDMA mobile phone. production licenses issued by the National Development and Reform Commission.
The company has an R&D center in Beijing and has established the world's first mobile phone R&D laboratory. Tianyu mobile phones have developed rapidly in recent years. With accurate market forecasts, strong R&D capabilities and mUnique business models, Tianyu mobile phones are known as the mobile phone brand with the greatest growth potential in China.
In May 2008, the world's first 8 megapixel CCD sensor camera phone - Tianyu in Like C800 was officially launched. The launch of this mobile phone ushered in the era of Tianyu integrated professional imaging. In May 2008, Tianyu officially signed a strategic cooperation agreement with Warburg Pincus, one of the largest private equity investment funds in the United States.
In May 2008, the Wenchuan earthquake struck Sichuan. Tianyu took the initiative to donate money and materials to the Sichuan earthquake-hit areas, with a total amount of more than 6 million yuan. In June of the same year, Chairman Rong Xiuli and several company executives visited Sichuan to visitsite to Beichuan Middle School students and brought necessities worth 1.2 million yuan to the students.
Detailed information:
Development History
In May 2005, Tianyu also passed the ISO9001, ISO14001 and OHSAS18001 system certification center of China China Electronic Technology Standardization Institute. such as China Quality 3C certification from the Certification Center (CQC).
In 2007, statistics from authoritative organizations showed that Tianyu ranked first in domestic mobile phone sales, and the Tianyu brand also became the number one domestic brand in the mobile phone industry. mobile telephony.
In May 2011, the brand logo “k-touch/天语” was upgraded to interpret the new Tianyu with a more dynamic image.
In myrs 2011, Tianyu Mobile was one of the first brands to support China Unicom's independent operating system and launched the WoPhone U2 terminal.
Baidu-Tianyu Encyclopedia
Is Huayu battery the original Yadi battery?
It depends on your charging head. it's 2.1 A, it will be 5 hours. If it's 1.5A, it will be 7.5 hours. It depends on your charger, just like eating, it doesn't say how long it will take to get full. as much as you can eat in one bite. Eat as much as your stomach can hold.
Usually, just charge the book fully (the battery indicator on the power bank is full) , and there is no need to charge it for 12 hours. . Nowadays, lithium batteries are used. If they are not lithium batteries, you should not use them.
You can refer to the following maintenance tips for lithium batteriesum-ion polymer:
1. It is not necessary to charge it for 12 hours. The lithium battery can be charged as you go. It is recommended to unplug the power once it is fully charged.
2. If you do not use the battery for a long time, please store it in a dry and low temperature environment.
This is the original Yadi battery.
According to official Yadi data, these are generally Chaowei, Tianneng and Huayu batteries. Yadi currently has about three battery sources. One is Tianneng Battery, which is currently the leader in the field. batteries for electric vehicles. The boss has its own ten major production bases and is also a battery manufacturer in operation for a long time.
Yadi Huayu batteries are of very good quality, with high safety and long life. Huayu isa professional lithium battery manufacturer which produces lithium iron phosphate batteries, safe and stable, without explosion risk, with strong power. Endurance and lasting power. It has a high charge conversion rate, does not heat up, has a long service life, is durable, has production qualifications, and its products have passed several certifications from home and around the world.