Ningbo Xing Tong Metal Material Co., Ltd and Ningbo Xingye Shengtai Group Co.,Ltd are wholly owned subsidiary of Xingye Copper International Group Limited which is a public listed company in Hongkong main board (stock code 0505).

The group is a professional manufacturer of different kinds of copper alloy strips and plates and the main products are brass strip,phosphorous tin bronze strip, nickel silver strip,lead frame strip and red copper strip and beryllium copper strip.

The group's products are mainly used as base material for electronic appliance, springs, switches, connectors, terminals, relays,capacitors, oscillation reeds, enclosure for liquid crystal oscillation components and crystal body, potentiometer slides, telecommunication device, hardware and machinery, IC lead frames, architecture fittings and home appliance.

The group has passed ISO9001:2000 Certificate of Conformity of Quality Management System and ISO14000 Certificate OF Environmental Protection.The " Three Ring" trademark is the national all-kind registered trademark and the famous trademark in Zhejiang Province."Three ring" strip is appraised as "Zhejiang well-known brand" product and one of the one-hundred Chinese famous brands which are advanced towards the world.The products are not only sold well in domestic market but also sold to USA, Hongkong and Southeast Asia countries.

In 2003, the group understook the research and development item of lead frame strip which has been listed in the "863 Program" by the Ministry of Science and Technology of the People Republic of China.

The group located in Cixi City which is the economic middle area of Shanghai-Hangzhou and Ningbo.The group established in 1984 and occupy gross floor area of 3,000,000 square meter.It has over 1000 employee and annual production of 100000 tons and annual production value of 4 billions.