Xiao　Jingbo:　Famous　boron　and　magnesium　compound　expert,　deputy　chief　of　Boride　Expert　Group,　Inorganic　Acid,　Alkali　and　Sodium　Professional　Committee,　Chemical　Industry　and　Engineering　Society,　associate　editor　of　Boron　Compound　Production　and　Application,　and　winner　of　Chinese　Boron　Industry　New　Contribution　Award.　He　has　been　specialized　in　comprehensive　utilization　and　technological　research　of　boron　compound,　magnesium　compound,　zinc　compound,　manganese　compound,　fluorine　compound　and　serpentine　ore,　red　soil　nickel　ore　and　bloedite　ore　for　many　years.　He　is　the　initiator　in　China　of　preparing　high-purity　magnesium　oxide　and　high-purity　extra　fine　flame-retardant　grade　magnesium　hydroxide　with　boric　acid　mother　liquid,　and　industrialization　of　serpentine　comprehensive　utilization　technology.　He　possesses　the　technology　of　preparing　high　quality　boric　acid　with　boron　and　magnesium　mineral　single-step　method　(international　standard　is　carried　out);　preparing　electronic　grade,　medical　grade　and　photoelectric　grade　boric　acid　with　chemical　purification　method;　preparing　borax　pentahydrate　with　water　dissolution　method　and　disposing　natural　borax　mineral　single-step　method;　disposing　natural　borax　mineral　evaporation-free　preparing　high　quality　boric　acid　and　sodium　nitrate　with　nitric　acid　method;　preparing　high-purity　boron　anhydride　with　dynamic　chemical　process;　preparing　fast-thawing　boron　fertilizer　(sodium　octaborate　tetrahydrate)　with　boric　acid　and　carbonate　method;　preparing　high-purity　magnesium　oxide　and　high　purity　flame-retardant　grade　magnesium　hydroxide　of　special　crystal　form　with　single-step　method　boric　acid　mother　liquid;　preparing　boron-containing　agricultural　sulfuric　acid　potassium　and　co-production　industrial　magnesium　oxide　with　boric　acid　mother　liquid;　preparing　new-type　agricultural　compound　fertilizer　-　ammonium　magnesium　sulfate　with　boric　acid　mother　liquid;　preparing　medical　(food)　grade　magnesium　carbonate,　magnesium　hydroxide　and　magnesium　oxide　with　brine,　seawater　or　soluble　magnesium　salt;　preparing　food　grade　magnesium　carbonate　and　precipitated　silica　with　boric　sludge;　preparing　magnesium　hydroxide,　flame-retardant　grade　magnesium　hydroxide　co-production　tyre　special　white　carbon　black,　ferrous　oxalate,　iron　phosphate,　and　nickel　concentrate　with　serpentine;　preparing　high-purity　magnesium　oxide,　ammonium　sulfate　and　sodium　sulfide　with　bloedite;　preparing　ammonium　sulfate,　magnesium　hydroxide　and　magnesium　oxide　with　magnesite　and　dolomite　ore;　preparing　nickel　carbonate,　nickel　hydroxide,　nitric　acid　nickel,　and　sulfuric　acid　nickel　by-product　high　value-added　magnesium　compound　with　red　soil　nickel　ore.