HaiMen ChangLong Instrument Co.,Ltd. was founded in 1974,it is a professional manufacurer and supplier on disposable laboratory products based in China. With almost 40 years' joint experience in microscope slides, cover slips and disposable plastic, it is producing and supplying premier quality products to its valued customers all over the world.
ChangLong's professional team is working hard to guarantee more commitments and reliabilities to our custmers. Quality assurance has been always the key secret of our success.
Our company have passed the ISO9001 quality system certification and CE certification, to assure all of our products and services are in international standard.
"ChangLong" will provide high quality products and services for customers all over world, and become your valuable supplier.