... the products we are supplying can reach the international standard like: ASTM, JIS, DIN, EN, API ... facilities is also realized in accordance with the international standards such as TS, DIN, AWWA, ASTM ... the products we are supplying can reach the international standard like: ASTM, JIS, DIN, EN, API ... facilities is also realized in accordance with the international standards such as TS, DIN, AWWA, ASTM ...