Since the management of PQ chemicals (Pvt.) Ltd. is committed to providing quality chemicals with the full quantity you have ordered. We have our own laboratory section being operated by qualified and experienced chemical engineers. We follow Mastersizer G2000 (Melvern UK) which is the best measuring analyzer to test micron size (μm) in the chemical industry of Pakistan. Contact us for the best chemical company in Lahore, we are dealing with calcium carbonate, white chuna, iron oxide, red iron, aluminum compound. calcium hydroxide price per ton in Pakistan.