ShenZhen Bright tech Co., Ltd. founded in 2002, and began to manufacture heat shrinkable polyolefin tubes and high ratio tubes , dual wall heat shrinkable tubes, and heat shrinkable fiber optic splice protector, we specializes in dual wall heat shrinkable tubes. and heat shrinkable fiber optic splice protector. Bright develops and manufactures varieties heat shrinkable products for the field of energy, electronic, automotive, communication, building & shipbuilding, and other major industries to provide effective insulation and protection the functional parts, components and systems. Honesty and Trust is our company policy , With the highest quality and satisfactory service , we can be a reliable partner with you. With commitment that Reliable through Honesty, Trust, Effective, and Superior Service, we accompany our customers into the world&＃039;s growth markets so that we can be a reliable partner close to them.