Free shipping. all orders of 200.00 sar or more on eligible items across any product category qualify for free shipping. details Saudi industrial export company delivers high quality granular sulphur in jumbo bags and 25 kg packing from saudi arabia to asia, africa and europe with more than 27 years of experience in exports siec also handles exports of bulk sulphur from saudi arabia with competitive prices due to the long term relation with saudi aramco. A wide variety of boric acid granular options are available to you, such as agriculture grade, industrial grade, and food grade. there are 163 boric acid granular suppliers, mainly located in asia. the top supplying countries or regions are china, hong kong s.a.r., which supply 88%, 1% of boric acid granular respectively. You can also choose from quick, slow, and controlled boron fertilizer there are 3,248 suppliers who sells boron fertilizer on alibaba, mainly located in asia. the top countries of suppliers are germany, china, and malaysia, from which the percentage of boron fertilizer supply is 1%, 94%, and 1% respectively.