Customer Service

Experienced technical personnel with extensive knowledge of our products and services
Zeolyst International's customer service team is your advocate for getting things done. Our representative will help you choose the correct material to screen in your application and arrange for the materials to be sampled to you. All of our marketing representatives are experienced technical personnel with extensive knowledge of our products and services.

USA:
Zeolyst International
Business Office and R&D Center
280 Cedar Grove Road
Conshohocken, PA 19428-2240 USA
Toll-free from USA: 888-777-0122
Fax: 610-941-4588
info@zeolyst.com

South America
Business Office
Elaine Afonso, Sales Executive
Av. Marquês de São Vicente, 121 – Block B - 6nd Floor
São Paulo - SP 01139-001 Brazil
Phone: 00 55 11 3638 9930
Fax: 00 55 11 3638 9926
Mobile: 00 55 11 8244 2953
E-mail: elaine.afonso@pqcorp.com

Europe, Africa, Middle East, & Russia:
Zeolyst CV
Oosterhorn 36
9936 HD Delfzijl
Havennummer 3409
The Netherlands

Sales support:   
Uwe Ohlrogge, Regional Sales and Market Development Manager
Phone: 49(0)61 81 67 50 768
Fax:     49(0)61 81 67 50 769
Mobile: 49(0)172 37 10 456
E-mail: uwe.ohlrogge@pqcorp.com

Customer service:
Beate Tkacz
Phone: 31(0)596 643 311
Fax:    31(0)596 630 392
E-mail: beate.tkacz@zeolyst.nl   (or generically: customer.service@zeolyst.nl )

China, Taiwan and South Korea:
Sales support:
Peter Wei, Regional Market Development Manager
Phone: 86-108-858-6070
Mobile: 86-139-1000-4992
E-mail: Peter.Wei@pqcorp.com

Japan:
Sales support:
Hiroshi Kawamoto, Regional Sales and Marketing Manager
Phone: 81.029.8477425
Mobile: 81.090.87224765
Email: Hiroshi.Kawamoto@pqcorp.com

USA:
Zeolyst International
Business Office and R&D Center
280 Cedar Grove Road
Conshohocken, PA 19428-2240 USA
Toll-free from USA: 888-777-0122
Fax: 610-941-4588
info@zeolyst.com

South America
Business Office
Elaine Afonso, Sales Executive
Av. Marquês de São Vicente, 121 – Block B - 6nd Floor
São Paulo - SP 01139-001 Brazil
Phone: 00 55 11 3638 9930
Fax: 00 55 11 3638 9926
Mobile: 00 55 11 8244 2953
E-mail: elaine.afonso@pqcorp.com

Europe, Africa, Middle East, & Russia:
Zeolyst CV
Oosterhorn 36
9936 HD Delfzijl
Havennummer 3409
The Netherlands

Sales support:   
Uwe Ohlrogge, Regional Sales and Market Development Manager
Phone: 49(0)2506 307 961
Fax:     49(0)2506 307 962
Mobile: 49(0)172 37 10 456
E-mail: uwe.ohlrogge@pqcorp.com

Customer service:
Beate Tkacz
Phone: 31(0)596 643 311
Fax:    31(0)596 630 392
E-mail: beate.tkacz@zeolyst.nl   (or generically: customer.service@zeolyst.nl )

China, Taiwan and South Korea: 
Sales support:
Peter Wei, Regional Market Development Manager
Phone: 86-108-858-6070
Mobile: 86-139-1000-4992
E-mail: Peter.Wei@pqcorp.com

Japan:
Sales support:
Hiroshi Kawamoto, Regional Sales and Marketing Manager
Phone: 81.029.8477425
Mobile: 81.090.87224765
Email: Hiroshi.Kawamoto@pqcorp.com

Americas
Houston, Texas
Raul Adarme
Phone: +1 281 874 2187
Email: Raul.Adarme@cri-criterion.com

Europe, Middle East and Africa
Willem Van Wittenberghe
Phone: +32 9 231 9578
Email: w.v.vanwittenberghe@cri-criterion.com

Asia Pacific
Chee Yong Quah
Phone: +65 6513 7719
Email: CheeYong.Quah@cri-criterion.com

Asia Pacific, Europe and Middle East Regions
CRI/Criterion Marketing Asia Pacific Pte Ltd
298 Tiong Bahru Road
#07-03 Central Plaza
Singapore 168730
Phone: +65 6513 7719
Fax: +65 6276 7455
Contact - Peter.Choo@cri-criterion.com

North & South America and Russia CIS Regions
Criterion Catalysts and Technologies L.P.
16825 Northchase Drive, Suite 1000
Houston, Texas 77060-6029
Phone: +1 281 874-2600
Fax: +1 281 874-2641
Contact - Vincent.Rogers@cri-criterion.com