Phosphorous Acid is an important inorganic acid, belonging to a binary strong acid with strong reducing properties and chemical reactivity. It has extensive applications in fields such as chemical engineering, medicine, and agriculture, and is a key raw material for the preparation of organic phosphorus compounds and phosphorus-based additives.

The products are packaged in double-layer plastic woven bags lined with polyethylene film or sealed iron drums to prevent moisture absorption and leakage. The common specifications for industrial-grade products are 25kg per bag and 50kg per bag; for pharmaceutical-grade and reagent-grade products, they are packaged in glass bottles or plastic bottles (500g per bottle, 1kg per bottle), and are protected by outer cardboard boxes.

1. Are you a manufacturer or trading company?
Re: We are one company integrated industry and trade. No matter the products we manufacture or trade, high quality products and competitive price always will be provided for you.
 
2.May I get one sample before placing order?
Re: Yes, we'd like to provide sample for you. free samples(max 1Kg) are available, but freight cost will be born by customers.
 
3.Which payment is available for your company?
Re: In order to prompt our cooperation, there are some payment methods for your choice. T/T(USD), Western union, Paypal, Credit card, Alipay all is ok. You can choose the one which is convenient for you.
 
4.Is there any possible to use my appointed label or package?
Re: Sure. If needed, we'd like to use label or package according to your requirement.
 
5.How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, T/T, EMS, etc.) or by air. Usually it will cost 2-5 days that you can get the goods after delivery.
For large quantity products, shipment is better. It will cost days to weeks to come to your destination port, which depends on where the port is.