- July 12, 2021 indotamateknik Alfian Buyung S E-Commerce Share this...FacebookPinterestTwitterLinkedin - We are a trusted distributor for industrial equipment in Indonesia such as valves, instrumentations, spareparts and we provide also after sales service. 0 Welcome To IWA 2021! Close We’re sorry! IWA 2021 voting is closed. We’re currently processing the results. Thank you. Voting Ended rating 74.5 Judge