CTK BIOTECH, INC.

In-Vitro Diagnostic Substance Manufacturing

This includes establishments primarily engaged in manufacturing in-vitro (i.e., not taken internally) diagnostic substances, such as chemical, biological, or radioactive substances. The substances are used for diagnostic tests that are performed in test tubes, petri dishes, machines, and other diagnostic test-type devices.

Analytical Laboratory Instrument Manufacturing

This includes establishments primarily engaged in manufacturing instruments and instrumentation systems for laboratory analysis of the chemical or physical composition or concentration of samples of solid, fluid, gaseous, or composite material.

Surgical and Medical Instrument Manufacturing

This includes establishments primarily engaged in manufacturing medical, surgical, ophthalmic, and veterinary instruments and apparatus (except electrotherapeutic, electromedical, and irradiation apparatus). Examples of products made by these establishments are syringes, hypodermic needles, anesthesia apparatus, blood transfusion equipment, catheters, surgical clamps, and medical thermometers.

All Other Miscellaneous Manufacturing

This includes establishments primarily engaged in miscellaneous manufacturing (except medical equipment and supplies, jewelry and silverware, sporting and athletic goods, dolls, toys, games, office supplies, signs, gaskets, packing, and sealing devices, musical instruments, fasteners, buttons, needles, pins, brooms, brushes, mops, and burial caskets).

Illustrative Examples:

Artificial Christmas trees manufacturing
Candles manufacturing
Christmas tree ornaments (except glass and electric) manufacturing
Cigarette lighters (except precious metal) manufacturing
Coin- or card-operated amusement machines (except jukebox) manufacturing
Electronic cigarettes manufacturing
Hairpieces (e.g., wigs, toupees, wiglets) manufacturing
Portable fire extinguishers manufacturing
Potpourri manufacturing
Tobacco pipes manufacturing
Umbrellas manufacturing

Medical Laboratories

This includes establishments known as medical laboratories primarily engaged in providing analytic or diagnostic services, including body fluid analysis, generally to the medical profession or to the patient on referral from a health practitioner.

Illustrative Examples:

Blood analysis laboratories
Medical pathology laboratories
Medical bacteriological laboratories
Medical testing laboratories
Medical forensic laboratories

General Medical and Surgical Hospitals

This category includes establishments known and licensed as general medical and surgical hospitals primarily engaged in providing diagnostic and medical treatment (both surgical and nonsurgical) to inpatients with any of a wide variety of medical conditions. These establishments maintain inpatient beds and provide patients with food services that meet their nutritional requirements. These hospitals have an organized staff of physicians and other medical staff to provide patient care services. These establishments usually provide other services, such as outpatient services, anatomical pathology services, diagnostic X-ray services, clinical laboratory services, operating room services for a variety of procedures, and pharmacy services.

Psychiatric and Substance Abuse Hospitals

This category includes establishments known and licensed as psychiatric and substance abuse hospitals primarily engaged in providing diagnostic, medical treatment, and monitoring services for inpatients who suffer from mental illness or substance abuse disorders. The treatment often requires an extended stay in the hospital. These establishments maintain inpatient beds and provide patients with food services that meet their nutritional requirements. They have an organized staff of physicians and other medical staff to provide patient care services. Psychiatric, psychological, and social work services are available at the facility. These hospitals usually provide other services, such as outpatient services, clinical laboratory services, diagnostic X-ray services, and electroencephalograph services.

Nursing Care Facilities (Skilled Nursing Facilities)

Establishments in this category are primarly engaged in providing inpatient nursing and rehabilitative services. The care is generally provided for an extended period of time to individuals requiring nursing care. These establishments have a permanent core staff of registered or licensed practical nurses who, along with other staff, provide nursing and continuous personal care services.

Illustrative Examples:

Convalescent homes or convalescent hospitals (except psychiatric)
Nursing homes
Rest homes with nursing care
Assisted living facilities (without nursing facilities) for the elderly with nursing care
Inpatient care hospices

Assisted Living Facilities for the Elderly

This includes establishments primarily engaged in providing residential and personal care services without nursing care for (1) the elderly or other persons who are unable to fully care for themselves and/or (2) the elderly or other persons who do not desire to live independently. The care typically includes room, board, supervision, and assistance in daily living, such as housekeeping services.

Illustrative Examples:

Assisted living facilities for the elderly without nursing care
Rest homes without nursing care