浸滲液認證 
■?KTW-Homologation (Hygiene-Institut Gelsenkirchen 2010):  Hot water test (85°C) Cold water test (23°C)， 
Release for drinking water 
(Gelsenkirchen衛(wèi)生保健研究所2005)  熱水測試 (85°C) 冷水測試(23°C)?
■?NSF International:   ANSI/NSF 61，Drinking water treatment chemicals and system components Health Effects 
市政飲用水處理標準 
■  UL Underwriting Laboratories: 
UL認證 
■  Chem. Laboratory Dr. Fülling: Cold water test (1987) 
Dr. Fülling化學實驗室: (1987) 冷水測試 
■?Gasw?rme-Institut e. V. Essen: (1992)  Resistance to gas; used for gas fittings 
德國燃氣管道抗壓測試 
■?QPL-17563, Class 1 and 3 acc. to MIL-I-17563-B (1992) and C
由美國軍事標準QPL-17563認證，達到MIL-I-17563-B (1992)和 C (1995) 
■ Technologisches Gewerbemuseum: Wien (1988) 
生物降解 
■?Lloyd’s Register of Shipping: (2003) 
勞合社船體壓力測試

1. TüV certificate for production of impregnating resins according to DIN EN ISO 14001 : 2009

(environmental management; since December 2011) 
TüV證書