Beijing PSK New Technology of petroleum machinery Co., Lit.（PSK）is
high and new technology corporate supported by china university of
petroleum. The company mainly centers on mechanical braking
equipments of petroleum drilling and related control technology
production, including: disk type brake equipments of oil rigs and
workover rig, the design and manufacture of automatic driller, the
design and consultation of oil rigs and workover rigs; major parts
and hydraulic elements of disk type brake equipments etc.