“SIN-NI Enterprise CO., LTD. establish in 2005 located at New Taipei City with many experience on Plastic Spring Coil item series，our professional specialtynot is only produce but also open molding、design、development、assemble with different accessories as clients’ requirement for the past years。   “SIN-NI Enterprise CO., LTD. be able to produce excellent quality with competitive price as clients’ special design. Our main line are very plentiful and variety，for example： Plastic spring coil items is multiplicity，with excellent elastic effective，we create their different function since assemble with different accessories，thus Plastic spring coil items with many variation not only in colors but also in length / sizes / shapes，it should be Plastic spring coil neck strap、Plastic spring coil wrist coil、Plastic spring coil mobile phone strap、Plastic spring coil key chain、Plastic spring coil finger ring、gift or promotion or premium proposal。   Plastic spring coil series can be produced with colorful also，in Shinny Transparent color、Solid color、Pearl color、Multi-colors、Iridescence colors、glowing in the dark color and others。     Plastic spring coil series also can put nylon strap inside to increase their pulling，in Transparent color key chain with strap inside、Transparent Multi-colors wrist coil with strap inside、transparent Iridescence colors with strap inside、Transparent Multi-colors mobile phone strap with strap inside and others；the inside nylon strap can be in white color nylon strap or Iridescence colors nylon strap or others。                                 Plastic spring coil with wire inside series，is a unusual and specialized field，the wire would be stainless wire or kelvar or some other material，excellent elastic effective，there’re many various dia. Of the wire sizes should be，for example 0.4mm、0.5mm、0.6mm and more，Plastic spring coil with different wire inside can help plastic sprint coil item possess different stand up capability，in general Plastic spring coil with wire inside series item can Stand for 100 kgs more and more，these items is specialized field and be used at medical treatment、plastic spring coil with wire inside Pet connect item、Plastic spring coil sport field、Plastic spring coil water sport field、Plastic spring coil skiing field、Plastic spring coil underwater swimming field、Plastic spring coil military field、Plastic spring coil policy field、Plastic spring coil piton field、Plastic spring coil computer field、Plastic spring coil car connection items、Plastic spring coil bike connection items、Hand Tools items 、plastic spring coil with wire inside Key Chain、Plastic spring coil with wire inside wrist coil、plastic spring coil with wire inside mobile phone strap、Plastic spring coil neck strap、gift or promotion or premium proposal。   http://sin-ni.taiwantrade.com.tw  Plastic spring coil with wire inside series is a unusual and specialized field，the wire would be stainless wire or kelvar or some other material，there’re many various dia. Of the wire sizes should be，for example 0.4mm、0.5mm、0.6mm and more，different wire inside with can help plastic sprint coil item possess different stand up capability，in general Plastic spring coil with wire inside series item can Stand for 100 kgs more，these items is specialized field and be used at medical treatment、pet item、sport、water sport、skiing、underwater swimming、military、policy、piton、gift or promotion or premium proposal。   http://sin-ni.taiwantrade.com.tw