Moulded 20mm Grey Butyl Rubber Stoppers

1. Are you a manufacturer for all your products?
Yes, we have a manufacturing plant covering 10,000 square meters area, including 10 complete production lines for our vials, caps and syringe filters.

2. How many products do you have?
We have a full range of HPLC vials, GC vials, EPA vials, GC/MS vials, LC/MS vials, storage vials, syringe filters and filter membranes. We have more than 1000 products, and 20-30 NEW items every year thanks to our R & D team.

3.What grade of cleanrooms do you have for production?
ALWSCI has 5,000 SQM 100,000 grade clean room.

4. What are your advantages against other manufacturers?
We have automatic assembling lines, automatic injection molding lines and advanced laboratory ensure the quality, precision and cleanliness of our products.
We have 10 years experienced R & D team to improve our products and develop new products.
We have the first and only UltraClean line in China for LC/MS, GC/MS and EPA consumables.
We have 15 patents to prove our technique advantages.

5.What's the usual packages for your products?
For vials, we have PP boxes and paper boxes with dividers.
For caps, we have PE bags.
For Syringe filters, we have PP cans and paper boxes.
Or if you have any special requirements pls contact with us.

6.Do you provide free samples?
Yes. Free sample. Welcome to ask.

7.Do you have a complete quality control system?
Yes. We have QC team of more than 10 persons. We have developed sampling checking system and patrol inspection system. We have all details and data in system, and we stock samples from every batch of every order for at least 2 years.