Union connector
Two way adapter is mainly used for the connection of liquid phase, chromatography system and other fluid systems (symmetrical) or asymmetric pipelines, which is convenient for users
Tee adapter is mainly used for the diversion or transfer of liquid phase, chromatography system and other fluid equipment, which is convenient for users
The four-way adapter is mainly used for the diversion or transfer of liquid phase, chromatography system and other fluid equipment, which is convenient for users

Suzhou COSTONES Instruments Co., Ltd. (COSTONES) is an instrument company focusing
on separation and purification. It is an equipment supplier and service provider
for biopharmaceutical, cell therapy and gene testing. It is committed to providing
users with industry-leading technical support and services.
The company has a perfect service system and executive power. It interprets the
user experience from the four aspects of technical communication, scheme design,
technical support and after-sales service, and tries to achieve seamless connection
in every link until it is recognized by customers.
For a long time, we have maintained good cooperative relations with domestic and
foreign suppliers. The main products include protein purification system,
compressible chromatographic column, ultrafiltration system, chromatographic
ultrafiltration accessories, etc., and provide maintenance services and customized
product services;
At present, Suzhou quarrying has provided high-quality services for
biopharmaceutical, cell therapy, research institutes and scientific research users.
It has carried out in-depth cooperation with customers and become a reliable partner
for customers to achieve win-win results.
We take quality first as the standard, quickly respond to customer needs, help
customers solve problems, improve efficiency, and take improving core
competitiveness for customers as our service tenet. We are willing to realize our
own value while creating value for customers and society through our unremitting
efforts.