Beijing Estec Science and Technology Development Co., Ltd. ye raan ye teknoloji ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔ Beijing Estec Science and Technology Development Co., Ltd. acï bɛ̈n looi në 2003, yen tɔ̈u në Haidian Zhongguancun Science and Technology Park, yen tɔ̈u në luɔɔi de kɔc ke 50 yiic, ku ka tɔ̈u në kaam de kɔc ke 50 yiic, ku ka tɔ̈u në kaam de kɔc ke 50 yiic. Saan kɔnɔ, a tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈ Në ruöön de 2004, a cɔla "Beijing City High-tech Enterprise" ku a cɔla ISO 9000. A ye kɔn cɔl "Central Water Supply System" ye kɔn cɔl "Central Water Supply System" ye kɔn cɔl "Central Water Supply System" ye kɔn cɔl "Central Water Supply System" ye kɔn cɔl "Central Water Supply System" ye kɔn cɔl "Central Water Supply System" ye kɔn cɔl "Central Water Supply System" ye kɔn cɔl "Central Water Supply System". Ka tɛmɛ teknolojii de pii nɔgɔ tɛmɛ nɛɛ ŋgɛy de pii nɔgɔ tɛmɛ nɛɛma, an tɛmɛ nɛɛma, an tɛmɛ nɛɛma, an tɛmɛ nɛɛma, an tɛmɛ nɛma, an tɛmɛ nɛma, an tɛmɛ nɛma, an tɛmɛ nɛma, an tɛmɛ nɛma, an tɛmɛ nɛ