It is a high-tech enterprise that inte$↕grates the research λ®®and development,
production, sales, and servic"♠♦e of standard substances/sam♥↓ples.
It is a high-tech enΩ®÷$terprise that integrates the researc♥$h and development,product₩<™ion, sales, and service of β&→ standard substances/samp¶€♠ les.