Xinhai Technology Co., Ltd, based in Hong Kong, is a large comprehensive company that integrated with Research, Development, Manufacture and Sales. And it has subsidiary company, namely Shenzhenshi Tongdaxinhai Technology Co., Ltd in Shenzhen, China.
Our Product Research and Development
Since its establishment, our company has launched many new 3c digital products every year to meet the demand of the phone accessories market. We strive to create customer satisfying products for domestic and foreign customers.
We have soon developed the first IPHOEN AV cable after Apple launched IPHOEN 3G mobile phone in 2007.
We developed HD VGA adapter for ipad, HDM+USB adapter with OTG function for ipad, ipad to HDMI output adapters when Apple launched its first iPad.
While MAC MINI, MAC BOOK, IMAC with MINI displayport interface was launched by Apple, We developed MINI Display port TO HDMI adapters, MINI Displayport TO VGA adapters and MINI Displayport TO DVI adapters in 2008. And these products have been the best-selling products for 5 years.
We launched the first MHL TO HDMI HD output line after Samsung launched the GALAXY SII I9100 products in 2011.
We are the earliest one to introduce the iphone 8 pin cable, 8 pin flash drive, card reader with slot all in one, HDMI HD adapter, USB MFI wire TO iphone 5, mobile wireless HDMI adapter etc. for iPhone 5 after it came to market in 2012.
Recently, we have developed the audio thunderbolt to VGA, which solve the problem of no sound when we use the VGA.

With well factory equipment, automatic welding machine and many sets of semi-automatic equipment, etc., we are able to improve the quality of the products. In order to reduce labor cost, our company has a more than 1000 square meters factory in Boluo County, Huizhou, Guangdong. We are specialized in the production of IPHOEN 5 cable, OTG cable and MINI DP products. Our factory, with 300 square meters, is located in Shenzhen. Applied a large number of advanced automation equipment and related information systems (such as ERP, production automation system), the production process has been effectively controlled. Our company can manufacture products according to the consumer's product design and complete orders, including ODM and OEM orders. The products will be checked before shipment to ensure the quality of the products. We insist on the concept of customer, quality and service are the most important. So we are endeavoring to create the most satisfying products for domestic and foreign customers.

The Expansion of Our Sales
In 2010, we founded our Alibaba international standing.
In 2011, we had our showroom at Room 3FA110 on the third floor of the Nanfang building, Liwan district in Guangzhou.
In 2012, we had another showroom at Room 3b311 on the third floor, Seg communications market, Huaqiang north field, Shenzhen, China.
In 2012, we open a company in Europe together with our European companies to promote our products.
Morever, our company launched several TrustPass accounts on Alibaba, the biggest and reputable B2B internet. At the same time, we had launched two on-line shops on Tmall, a B2C, B2B business platform.


Our company have a group of high-tech talent, a good marketing team and an after-sale system. Also, we have our own product research and develop team. What's more, we have several departments, namely, domestic trading department, international trading department, European market department, North American market department, South Asian market department, and so on.
Please Contact Us
Company Phone Number: 0755-28769181 020-62881979
Company address: 4/F, Block A2, Zhongbaotong Industrial Zone, No. 34, Changfa West Road, Bantian, Longgang Dist, Shenzhen, Guangdong, China.